698670144 has 56 divisors (see below), whose sum is σ = 2053965920. Its totient is φ = 232889472.

The previous prime is 698670143. The next prime is 698670187. The reversal of 698670144 is 441076896.

It is a self number, because there is not a number n which added to its sum of digits gives 698670144.

It is not an unprimeable number, because it can be changed into a prime (698670143) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 200434 + ... + 203889.

Almost surely, 2^698670144 is an apocalyptic number.

698670144 is a gapful number since it is divisible by the number (64) formed by its first and last digit.

It is an amenable number.

698670144 is an abundant number, since it is smaller than the sum of its proper divisors (1355295776).

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

698670144 is a wasteful number, since it uses less digits than its factorization.

698670144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 404344 (or 404328 counting only the distinct ones).

The product of its (nonzero) digits is 290304, while the sum is 45.

The square root of 698670144 is about 26432.3692468155. The cubic root of 698670144 is about 887.3413669790.

The spelling of 698670144 in words is "six hundred ninety-eight million, six hundred seventy thousand, one hundred forty-four".