679531354 has 8 divisors (see below), whose sum is σ = 1022185620. Its totient is φ = 338802816.

The previous prime is 679531351. The next prime is 679531373. The reversal of 679531354 is 453135976.

It can be written as a sum of positive squares in 2 ways, for example, as 653978329 + 25553025 = 25573^2 + 5055^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×679531354² = 923525722138146632, 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 679531354.

It is not an unprimeable number, because it can be changed into a prime (679531351) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 480549 + ... + 481960.

Almost surely, 2^679531354 is an apocalyptic number.

679531354 is a deficient number, since it is larger than the sum of its proper divisors (342654266).

679531354 is a wasteful number, since it uses less digits than its factorization.

679531354 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 962864.

The product of its digits is 340200, while the sum is 43.

The square root of 679531354 is about 26067.8221951892. The cubic root of 679531354 is about 879.1638726485.

The spelling of 679531354 in words is "six hundred seventy-nine million, five hundred thirty-one thousand, three hundred fifty-four".