690616085 has 8 divisors (see below), whose sum is σ = 872357280. Its totient is φ = 523414224.

The previous prime is 690616067. The next prime is 690616093. The reversal of 690616085 is 580616096.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-690616085 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3634727 + ... + 3634916.

It is an arithmetic number, because the mean of its divisors is an integer number (109044660).

Almost surely, 2^690616085 is an apocalyptic number.

It is an amenable number.

690616085 is a deficient number, since it is larger than the sum of its proper divisors (181741195).

690616085 is a wasteful number, since it uses less digits than its factorization.

690616085 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7269667.

The product of its (nonzero) digits is 77760, while the sum is 41.

The square root of 690616085 is about 26279.5754341656. The cubic root of 690616085 is about 883.9185125333.

The spelling of 690616085 in words is "six hundred ninety million, six hundred sixteen thousand, eighty-five".