698749058 has 16 divisors (see below), whose sum is σ = 1198279680. Its totient is φ = 299357856.

The previous prime is 698749043. The next prime is 698749063. The reversal of 698749058 is 850947896.

It is an alternating number because its digits alternate between even and odd.

It is a junction number, because it is equal to n+sod(n) for n = 698748994 and 698749012.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 42335 + ... + 56477.

It is an arithmetic number, because the mean of its divisors is an integer number (74892480).

Almost surely, 2^698749058 is an apocalyptic number.

698749058 is a deficient number, since it is larger than the sum of its proper divisors (499530622).

698749058 is a wasteful number, since it uses less digits than its factorization.

698749058 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17681.

The product of its (nonzero) digits is 4354560, while the sum is 56.

The square root of 698749058 is about 26433.8619577238. The cubic root of 698749058 is about 887.3747737881.

The spelling of 698749058 in words is "six hundred ninety-eight million, seven hundred forty-nine thousand, fifty-eight".