679034385 has 48 divisors (see below), whose sum is σ = 1218447360. Its totient is φ = 349464960.

The previous prime is 679034339. The next prime is 679034399. The reversal of 679034385 is 583430976.

It is not a de Polignac number, because 679034385 - 2¹³ = 679026193 is a prime.

It is a super-2 number, since 2×679034385² = 922175392024656450, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 679034385.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 944056 + ... + 944774.

It is an arithmetic number, because the mean of its divisors is an integer number (25384320).

Almost surely, 2^679034385 is an apocalyptic number.

It is an amenable number.

679034385 is a deficient number, since it is larger than the sum of its proper divisors (539412975).

679034385 is a wasteful number, since it uses less digits than its factorization.

679034385 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1438 (or 1435 counting only the distinct ones).

The product of its (nonzero) digits is 544320, while the sum is 45.

The square root of 679034385 is about 26058.2882208329. The cubic root of 679034385 is about 878.9494975780.

The spelling of 679034385 in words is "six hundred seventy-nine million, thirty-four thousand, three hundred eighty-five".