890536691 has 8 divisors (see below), whose sum is σ = 971877744. Its totient is φ = 809259520.

The previous prime is 890536667. The next prime is 890536723. The reversal of 890536691 is 196635098.

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

It is a cyclic number.

It is not a de Polignac number, because 890536691 - 2⁶ = 890536627 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (890536601) 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, 15971 + ... + 45123.

It is an arithmetic number, because the mean of its divisors is an integer number (121484718).

Almost surely, 2^890536691 is an apocalyptic number.

890536691 is a deficient number, since it is larger than the sum of its proper divisors (81341053).

890536691 is a wasteful number, since it uses less digits than its factorization.

890536691 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31941.

The product of its (nonzero) digits is 349920, while the sum is 47.

The square root of 890536691 is about 29841.8613863144. The cubic root of 890536691 is about 962.0934822559.

The spelling of 890536691 in words is "eight hundred ninety million, five hundred thirty-six thousand, six hundred ninety-one".