490851628 has 24 divisors (see below), whose sum is σ = 876506400. Its totient is φ = 240453120.

The previous prime is 490851601. The next prime is 490851637. The reversal of 490851628 is 826158094.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 60348 + ... + 67996.

It is an arithmetic number, because the mean of its divisors is an integer number (36521100).

Almost surely, 2^490851628 is an apocalyptic number.

It is an amenable number.

490851628 is a deficient number, since it is larger than the sum of its proper divisors (385654772).

490851628 is a wasteful number, since it uses less digits than its factorization.

490851628 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7977 (or 7975 counting only the distinct ones).

The product of its (nonzero) digits is 138240, while the sum is 43.

The square root of 490851628 is about 22155.1715858849. The cubic root of 490851628 is about 788.8299873088.

The spelling of 490851628 in words is "four hundred ninety million, eight hundred fifty-one thousand, six hundred twenty-eight".