690187350 has 48 divisors (see below), whose sum is σ = 1801759680. Its totient is φ = 174362400.

The previous prime is 690187349. The next prime is 690187357. The reversal of 690187350 is 53781096.

It is a junction number, because it is equal to n+sod(n) for n = 690187299 and 690187308.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (690187357) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 118236 + ... + 123935.

It is an arithmetic number, because the mean of its divisors is an integer number (37536660).

Almost surely, 2^690187350 is an apocalyptic number.

690187350 is an abundant number, since it is smaller than the sum of its proper divisors (1111572330).

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

690187350 is a wasteful number, since it uses less digits than its factorization.

690187350 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 242205 (or 242200 counting only the distinct ones).

The product of its (nonzero) digits is 45360, while the sum is 39.

The square root of 690187350 is about 26271.4169773920. The cubic root of 690187350 is about 883.7355622373.

The spelling of 690187350 in words is "six hundred ninety million, one hundred eighty-seven thousand, three hundred fifty".