1676395988 has 12 divisors (see below), whose sum is σ = 2934546720. Its totient is φ = 837954072.

The previous prime is 1676395949. The next prime is 1676395991. The reversal of 1676395988 is 8895936761.

It is a happy number.

It is a super-2 number, since 2×1676395988² = 5620607017164992288, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1676395988.

It is a congruent number.

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, 45056 + ... + 73367.

It is an arithmetic number, because the mean of its divisors is an integer number (244545560).

Almost surely, 2^1676395988 is an apocalyptic number.

It is an amenable number.

1676395988 is a deficient number, since it is larger than the sum of its proper divisors (1258150732).

1676395988 is a wasteful number, since it uses less digits than its factorization.

1676395988 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 121966 (or 121964 counting only the distinct ones).

The product of its digits is 19595520, while the sum is 62.

The square root of 1676395988 is about 40943.8150152132. The cubic root of 1676395988 is about 1187.9337039342.

The spelling of 1676395988 in words is "one billion, six hundred seventy-six million, three hundred ninety-five thousand, nine hundred eighty-eight".