698022432 has 36 divisors (see below), whose sum is σ = 1985002110. Its totient is φ = 232674048.

The previous prime is 698022421. The next prime is 698022439. The reversal of 698022432 is 234220896.

It can be written as a sum of positive squares in only one way, i.e., 554885136 + 143137296 = 23556^2 + 11964^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (698022439) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1211557 + ... + 1212132.

Almost surely, 2^698022432 is an apocalyptic number.

It is an amenable number.

698022432 is an abundant number, since it is smaller than the sum of its proper divisors (1286979678).

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

698022432 is a wasteful number, since it uses less digits than its factorization.

698022432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2423705 (or 2423694 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 36.

The square root of 698022432 is about 26420.1141556958. The cubic root of 698022432 is about 887.0670747610.

The spelling of 698022432 in words is "six hundred ninety-eight million, twenty-two thousand, four hundred thirty-two".