4345904 has 10 divisors (see below), whose sum is σ = 8420220. Its totient is φ = 2172944.

The previous prime is 4345903. The next prime is 4345997. The reversal of 4345904 is 4095434.

It is not an unprimeable number, because it can be changed into a prime (4345903) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 135794 + ... + 135825.

It is an arithmetic number, because the mean of its divisors is an integer number (842022).

Almost surely, 2^4345904 is an apocalyptic number.

It is an amenable number.

4345904 is a deficient number, since it is larger than the sum of its proper divisors (4074316).

4345904 is a wasteful number, since it uses less digits than its factorization.

4345904 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 271627 (or 271621 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 29.

The square root of 4345904 is about 2084.6831893600. The cubic root of 4345904 is about 163.1899375444.

It can be divided in two parts, 4 and 345904, that multiplied together give a triangular number (1383616 = T₁₆₆₃).

The spelling of 4345904 in words is "four million, three hundred forty-five thousand, nine hundred four".