2478392 has 16 divisors (see below), whose sum is σ = 5310960. Its totient is φ = 1062144.

The previous prime is 2478373. The next prime is 2478403. The reversal of 2478392 is 2938742.

It is a super-2 number, since 2×2478392² = 12284853811328, which contains 22 as substring.

It is a Smith number, since the sum of its digits (35) coincides with the sum of the digits of its prime factors.

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, 22073 + ... + 22184.

It is an arithmetic number, because the mean of its divisors is an integer number (331935).

2^2478392 is an apocalyptic number.

It is an amenable number.

2478392 is an abundant number, since it is smaller than the sum of its proper divisors (2832568).

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

2478392 is a wasteful number, since it uses less digits than its factorization.

2478392 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44270 (or 44266 counting only the distinct ones).

The product of its digits is 24192, while the sum is 35.

The square root of 2478392 is about 1574.2909515080. The cubic root of 2478392 is about 135.3287279259.

The spelling of 2478392 in words is "two million, four hundred seventy-eight thousand, three hundred ninety-two".