4172904 has 32 divisors (see below), whose sum is σ = 11592000. Its totient is φ = 1390896.

The previous prime is 4172887. The next prime is 4172929. The reversal of 4172904 is 4092714.

It is a happy number.

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 pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9444 + ... + 9875.

It is an arithmetic number, because the mean of its divisors is an integer number (362250).

Almost surely, 2^4172904 is an apocalyptic number.

It is an amenable number.

4172904 is an abundant number, since it is smaller than the sum of its proper divisors (7419096).

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

4172904 is a wasteful number, since it uses less digits than its factorization.

4172904 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19334 (or 19324 counting only the distinct ones).

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

The square root of 4172904 is about 2042.7687093746. The cubic root of 4172904 is about 160.9951517900.

It can be divided in two parts, 417 and 2904, that added together give a triangular number (3321 = T₈₁).

The spelling of 4172904 in words is "four million, one hundred seventy-two thousand, nine hundred four".