698735994 has 32 divisors (see below), whose sum is σ = 1553287104. Its totient is φ = 207742080.

The previous prime is 698735993. The next prime is 698736007. The reversal of 698735994 is 499537896.

It is a super-2 number, since 2×698735994² = 976463978622336072, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (698735993) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 96379 + ... + 103374.

It is an arithmetic number, because the mean of its divisors is an integer number (48540222).

Almost surely, 2^698735994 is an apocalyptic number.

698735994 is an abundant number, since it is smaller than the sum of its proper divisors (854551110).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

698735994 is a wasteful number, since it uses less digits than its factorization.

698735994 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 199822.

The product of its digits is 14696640, while the sum is 60.

The square root of 698735994 is about 26433.6148492786. The cubic root of 698735994 is about 887.3692435547.

The spelling of 698735994 in words is "six hundred ninety-eight million, seven hundred thirty-five thousand, nine hundred ninety-four".