4645904 has 10 divisors (see below), whose sum is σ = 9001470. Its totient is φ = 2322944.

The previous prime is 4645891. The next prime is 4645909. The reversal of 4645904 is 4095464.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 4080400 + 565504 = 2020^2 + 752^2 .

It is not an unprimeable number, because it can be changed into a prime (4645909) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 145169 + ... + 145200.

It is an arithmetic number, because the mean of its divisors is an integer number (900147).

Almost surely, 2^4645904 is an apocalyptic number.

It is an amenable number.

4645904 is a deficient number, since it is larger than the sum of its proper divisors (4355566).

4645904 is a wasteful number, since it uses less digits than its factorization.

4645904 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 290377 (or 290371 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 32.

The square root of 4645904 is about 2155.4359187877. The cubic root of 4645904 is about 166.8617307221.

The spelling of 4645904 in words is "four million, six hundred forty-five thousand, nine hundred four".