690180934 has 8 divisors (see below), whose sum is σ = 1038093408. Its totient is φ = 344149800.

The previous prime is 690180919. The next prime is 690180961. The reversal of 690180934 is 439081096.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×690180934² = 952699443314224712, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 469417 + ... + 470884.

It is an arithmetic number, because the mean of its divisors is an integer number (129761676).

Almost surely, 2^690180934 is an apocalyptic number.

690180934 is a deficient number, since it is larger than the sum of its proper divisors (347912474).

690180934 is a wasteful number, since it uses less digits than its factorization.

690180934 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 940670.

The product of its (nonzero) digits is 46656, while the sum is 40.

The square root of 690180934 is about 26271.2948672120. The cubic root of 690180934 is about 883.7328238191.

The spelling of 690180934 in words is "six hundred ninety million, one hundred eighty thousand, nine hundred thirty-four".