1628097704 has 16 divisors (see below), whose sum is σ = 3072901920. Its totient is φ = 808657200.

The previous prime is 1628097697. The next prime is 1628097749. The reversal of 1628097704 is 4077908261.

It is a Smith number, since the sum of its digits (44) coincides with the sum of the digits of its prime factors.

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, 672674 + ... + 675089.

It is an arithmetic number, because the mean of its divisors is an integer number (192056370).

Almost surely, 2^1628097704 is an apocalyptic number.

It is an amenable number.

1628097704 is a deficient number, since it is larger than the sum of its proper divisors (1444804216).

1628097704 is a wasteful number, since it uses less digits than its factorization.

1628097704 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1347920 (or 1347916 counting only the distinct ones).

The product of its (nonzero) digits is 169344, while the sum is 44.

The square root of 1628097704 is about 40349.6927373679. The cubic root of 1628097704 is about 1176.4139198073.

The spelling of 1628097704 in words is "one billion, six hundred twenty-eight million, ninety-seven thousand, seven hundred four".