1628491052 has 12 divisors (see below), whose sum is σ = 2870662200. Its totient is φ = 808301856.

The previous prime is 1628491049. The next prime is 1628491061. The reversal of 1628491052 is 2501948261.

It is a junction number, because it is equal to n+sod(n) for n = 1628490997 and 1628491015.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1485302 + ... + 1486397.

It is an arithmetic number, because the mean of its divisors is an integer number (239221850).

Almost surely, 2^1628491052 is an apocalyptic number.

It is an amenable number.

1628491052 is a deficient number, since it is larger than the sum of its proper divisors (1242171148).

1628491052 is a wasteful number, since it uses less digits than its factorization.

1628491052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2971840 (or 2971838 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 38.

The square root of 1628491052 is about 40354.5666808603. The cubic root of 1628491052 is about 1176.5086526153.

The spelling of 1628491052 in words is "one billion, six hundred twenty-eight million, four hundred ninety-one thousand, fifty-two".