690863361 has 8 divisors (see below), whose sum is σ = 921876480. Its totient is φ = 460212912.

The previous prime is 690863353. The next prime is 690863399. The reversal of 690863361 is 163368096.

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

It is not a de Polignac number, because 690863361 - 2³ = 690863353 is a prime.

It is not an unprimeable number, because it can be changed into a prime (690861361) 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, 86190 + ... + 93863.

It is an arithmetic number, because the mean of its divisors is an integer number (115234560).

Almost surely, 2^690863361 is an apocalyptic number.

It is an amenable number.

690863361 is a deficient number, since it is larger than the sum of its proper divisors (231013119).

690863361 is a wasteful number, since it uses less digits than its factorization.

690863361 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 181335.

The product of its (nonzero) digits is 139968, while the sum is 42.

The square root of 690863361 is about 26284.2797314288. The cubic root of 690863361 is about 884.0239960079.

The spelling of 690863361 in words is "six hundred ninety million, eight hundred sixty-three thousand, three hundred sixty-one".