690207234 has 32 divisors (see below), whose sum is σ = 1408389120. Its totient is φ = 225418752.

The previous prime is 690207209. The next prime is 690207247. The reversal of 690207234 is 432702096.

It is a junction number, because it is equal to n+sod(n) for n = 690207195 and 690207204.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 405874 + ... + 407570.

It is an arithmetic number, because the mean of its divisors is an integer number (44012160).

Almost surely, 2^690207234 is an apocalyptic number.

690207234 is an abundant number, since it is smaller than the sum of its proper divisors (718181886).

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

690207234 is a wasteful number, since it uses less digits than its factorization.

690207234 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3034.

The product of its (nonzero) digits is 18144, while the sum is 33.

The square root of 690207234 is about 26271.7954087649. The cubic root of 690207234 is about 883.7440488360.

The spelling of 690207234 in words is "six hundred ninety million, two hundred seven thousand, two hundred thirty-four".