485909428 has 12 divisors (see below), whose sum is σ = 850497760. Its totient is φ = 242910072.

The previous prime is 485909387. The next prime is 485909441. The reversal of 485909428 is 824909584.

It is a super-2 number, since 2×485909428² = 472215944438574368, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 31153 + ... + 44071.

Almost surely, 2^485909428 is an apocalyptic number.

It is an amenable number.

485909428 is a deficient number, since it is larger than the sum of its proper divisors (364588332).

485909428 is a wasteful number, since it uses less digits than its factorization.

485909428 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22326 (or 22324 counting only the distinct ones).

The product of its (nonzero) digits is 829440, while the sum is 49.

The square root of 485909428 is about 22043.3533746570. The cubic root of 485909428 is about 786.1735745309.

The spelling of 485909428 in words is "four hundred eighty-five million, nine hundred nine thousand, four hundred twenty-eight".