699489974 has 16 divisors (see below), whose sum is σ = 1054336608. Its totient is φ = 348049152.

The previous prime is 699489949. The next prime is 699489977. The reversal of 699489974 is 479984996.

It is a self number, because there is not a number n which added to its sum of digits gives 699489974.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (699489977) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 625664 + ... + 626780.

It is an arithmetic number, because the mean of its divisors is an integer number (65896038).

Almost surely, 2^699489974 is an apocalyptic number.

699489974 is a deficient number, since it is larger than the sum of its proper divisors (354846634).

699489974 is a wasteful number, since it uses less digits than its factorization.

699489974 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2359.

The product of its digits is 35271936, while the sum is 65.

The square root of 699489974 is about 26447.8727689015. The cubic root of 699489974 is about 887.6883045257.

The spelling of 699489974 in words is "six hundred ninety-nine million, four hundred eighty-nine thousand, nine hundred seventy-four".