1679673894 has 16 divisors (see below), whose sum is σ = 3360474432. Its totient is φ = 559703528.

The previous prime is 1679673893. The next prime is 1679673901. The reversal of 1679673894 is 4983769761.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1679673893) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26904 + ... + 63899.

It is an arithmetic number, because the mean of its divisors is an integer number (210029652).

Almost surely, 2^1679673894 is an apocalyptic number.

1679673894 is an abundant number, since it is smaller than the sum of its proper divisors (1680800538).

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

1679673894 is a wasteful number, since it uses less digits than its factorization.

1679673894 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 93891.

The product of its digits is 13716864, while the sum is 60.

The square root of 1679673894 is about 40983.8247849075. The cubic root of 1679673894 is about 1188.7074669795.

The spelling of 1679673894 in words is "one billion, six hundred seventy-nine million, six hundred seventy-three thousand, eight hundred ninety-four".