2649492 has 18 divisors (see below), whose sum is σ = 6697418. Its totient is φ = 883152.

The previous prime is 2649487. The next prime is 2649497. The reversal of 2649492 is 2949462.

2649492 is a `hidden beast` number, since 2 + 649 + 4 + 9 + 2 = 666.

It is an interprime number because it is at equal distance from previous prime (2649487) and next prime (2649497).

It can be written as a sum of positive squares in only one way, i.e., 2452356 + 197136 = 1566^2 + 444^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (36), and also a Moran number because the ratio is a prime number: 73597 = 2649492 / (2 + 6 + 4 + 9 + 4 + 9 + 2).

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2649497) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 36763 + ... + 36834.

2^2649492 is an apocalyptic number.

It is an amenable number.

2649492 is an abundant number, since it is smaller than the sum of its proper divisors (4047926).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2649492 is a wasteful number, since it uses less digits than its factorization.

2649492 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73607 (or 73602 counting only the distinct ones).

The product of its digits is 31104, while the sum is 36.

The square root of 2649492 is about 1627.7260211719. The cubic root of 2649492 is about 138.3739072286.

The spelling of 2649492 in words is "two million, six hundred forty-nine thousand, four hundred ninety-two".