490453928 has 8 divisors (see below), whose sum is σ = 919601130. Its totient is φ = 245226960.

The previous prime is 490453919. The next prime is 490453939. The reversal of 490453928 is 829354094.

It can be written as a sum of positive squares in only one way, i.e., 477072964 + 13380964 = 21842^2 + 3658^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30653363 + ... + 30653378.

Almost surely, 2^490453928 is an apocalyptic number.

It is an amenable number.

490453928 is a deficient number, since it is larger than the sum of its proper divisors (429147202).

490453928 is a wasteful number, since it uses less digits than its factorization.

490453928 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61306747 (or 61306743 counting only the distinct ones).

The product of its (nonzero) digits is 311040, while the sum is 44.

The square root of 490453928 is about 22146.1944360651. The cubic root of 490453928 is about 788.6168866259.

The spelling of 490453928 in words is "four hundred ninety million, four hundred fifty-three thousand, nine hundred twenty-eight".