698570494 has 16 divisors (see below), whose sum is σ = 1133103168. Its totient is φ = 321743872.

The previous prime is 698570489. The next prime is 698570527. The reversal of 698570494 is 494075896.

It is a happy number.

It is a congruent number.

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, 216979 + ... + 220174.

It is an arithmetic number, because the mean of its divisors is an integer number (70818948).

Almost surely, 2^698570494 is an apocalyptic number.

698570494 is a deficient number, since it is larger than the sum of its proper divisors (434532674).

698570494 is a wasteful number, since it uses less digits than its factorization.

698570494 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 437219.

The product of its (nonzero) digits is 2177280, while the sum is 52.

The square root of 698570494 is about 26430.4841802037. The cubic root of 698570494 is about 887.2991783667.

The spelling of 698570494 in words is "six hundred ninety-eight million, five hundred seventy thousand, four hundred ninety-four".