2492240 has 20 divisors (see below), whose sum is σ = 5794644. Its totient is φ = 996864.

The previous prime is 2492239. The next prime is 2492263. The reversal of 2492240 is 422942.

It can be written as a sum of positive squares in 2 ways, for example, as 760384 + 1731856 = 872^2 + 1316^2 .

It is a tau number, because it is divible by the number of its divisors (20).

It is a super-2 number, since 2×2492240² = 12422520435200, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15497 + ... + 15656.

2^2492240 is an apocalyptic number.

2492240 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2492240 is an abundant number, since it is smaller than the sum of its proper divisors (3302404).

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

2492240 is a wasteful number, since it uses less digits than its factorization.

2492240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31166 (or 31160 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 23.

The square root of 2492240 is about 1578.6829954110. The cubic root of 2492240 is about 135.5803094133.

The spelling of 2492240 in words is "two million, four hundred ninety-two thousand, two hundred forty".