2649892 has 48 divisors (see below), whose sum is σ = 5927040. Its totient is φ = 1009152.

The previous prime is 2649887. The next prime is 2649893. The reversal of 2649892 is 2989462.

It is a super-2 number, since 2×2649892² = 14043855223328, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2649893) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8898 + ... + 9190.

It is an arithmetic number, because the mean of its divisors is an integer number (123480).

2^2649892 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2649892, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2963520).

2649892 is an abundant number, since it is smaller than the sum of its proper divisors (3277148).

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

2649892 is a wasteful number, since it uses less digits than its factorization.

2649892 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 340 (or 338 counting only the distinct ones).

The product of its digits is 62208, while the sum is 40.

The square root of 2649892 is about 1627.8488873357. The cubic root of 2649892 is about 138.3808704223.

The spelling of 2649892 in words is "two million, six hundred forty-nine thousand, eight hundred ninety-two".