2471904 has 48 divisors (see below), whose sum is σ = 7212240. Its totient is φ = 823680.

The previous prime is 2471899. The next prime is 2471927. The reversal of 2471904 is 4091742.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (48).

It is a super-2 number, since 2×2471904² = 12220618770432, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 567 + ... + 2294.

It is an arithmetic number, because the mean of its divisors is an integer number (150255).

2^2471904 is an apocalyptic number.

2471904 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

2471904 is an abundant number, since it is smaller than the sum of its proper divisors (4740336).

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

2471904 is a wasteful number, since it uses less digits than its factorization.

2471904 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2880 (or 2866 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 27.

The square root of 2471904 is about 1572.2289909552. The cubic root of 2471904 is about 135.2105356915.

It can be divided in two parts, 2471 and 904, that added together give a cube (3375 = 15³).

The spelling of 2471904 in words is "two million, four hundred seventy-one thousand, nine hundred four".