1628307464 has 32 divisors (see below), whose sum is σ = 3694481280. Its totient is φ = 656795904.

The previous prime is 1628307451. The next prime is 1628307479. The reversal of 1628307464 is 4647038261.

It is a super-2 number, since 2×1628307464² = 5302770394636222592, which contains 22 as substring.

It is a Smith number, since the sum of its digits (41) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 854252 + ... + 856155.

It is an arithmetic number, because the mean of its divisors is an integer number (115452540).

Almost surely, 2^1628307464 is an apocalyptic number.

1628307464 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

1628307464 is an abundant number, since it is smaller than the sum of its proper divisors (2066173816).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1628307464 is a wasteful number, since it uses less digits than its factorization.

1628307464 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1710437 (or 1710433 counting only the distinct ones).

The product of its (nonzero) digits is 193536, while the sum is 41.

The square root of 1628307464 is about 40352.2919299511. The cubic root of 1628307464 is about 1176.4644397047.

The spelling of 1628307464 in words is "one billion, six hundred twenty-eight million, three hundred seven thousand, four hundred sixty-four".