890994893 has 4 divisors (see below), whose sum is σ = 893423040. Its totient is φ = 888566748.

The previous prime is 890994883. The next prime is 890994941. The reversal of 890994893 is 398499098.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 890994893 - 2¹⁴ = 890978509 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (890994823) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1213523 + ... + 1214256.

It is an arithmetic number, because the mean of its divisors is an integer number (223355760).

Almost surely, 2^890994893 is an apocalyptic number.

It is an amenable number.

890994893 is a deficient number, since it is larger than the sum of its proper divisors (2428147).

890994893 is a wasteful number, since it uses less digits than its factorization.

890994893 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2428146.

The product of its (nonzero) digits is 5038848, while the sum is 59.

The square root of 890994893 is about 29849.5375676073. The cubic root of 890994893 is about 962.2584605129.

The spelling of 890994893 in words is "eight hundred ninety million, nine hundred ninety-four thousand, eight hundred ninety-three".