890342761 has 32 divisors (see below), whose sum is σ = 1141604352. Its totient is φ = 674256960.

The previous prime is 890342753. The next prime is 890342807. The reversal of 890342761 is 167243098.

It is a cyclic number.

It is not a de Polignac number, because 890342761 - 2³ = 890342753 is a prime.

It is not an unprimeable number, because it can be changed into a prime (890342701) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 567400 + ... + 568966.

It is an arithmetic number, because the mean of its divisors is an integer number (35675136).

Almost surely, 2^890342761 is an apocalyptic number.

It is an amenable number.

890342761 is a deficient number, since it is larger than the sum of its proper divisors (251261591).

890342761 is a wasteful number, since it uses less digits than its factorization.

890342761 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1789.

The product of its (nonzero) digits is 72576, while the sum is 40.

The square root of 890342761 is about 29838.6119147657. The cubic root of 890342761 is about 962.0236396033.

The spelling of 890342761 in words is "eight hundred ninety million, three hundred forty-two thousand, seven hundred sixty-one".