2489992 has 16 divisors (see below), whose sum is σ = 4686300. Its totient is φ = 1240320.

The previous prime is 2489947. The next prime is 2489999. The reversal of 2489992 is 2999842.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 2452356 + 37636 = 1566^2 + 194^2 .

It is not an unprimeable number, because it can be changed into a prime (2489999) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2892 + ... + 3652.

2^2489992 is an apocalyptic number.

It is an amenable number.

2489992 is a deficient number, since it is larger than the sum of its proper divisors (2196308).

2489992 is a wasteful number, since it uses less digits than its factorization.

2489992 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1176 (or 1172 counting only the distinct ones).

The product of its digits is 93312, while the sum is 43.

The square root of 2489992 is about 1577.9708489069. The cubic root of 2489992 is about 135.5395326797.

It can be divided in two parts, 248999 and 2, that added together give a square (249001 = 499²).

The spelling of 2489992 in words is "two million, four hundred eighty-nine thousand, nine hundred ninety-two".