2890032021 has 32 divisors (see below), whose sum is σ = 4474398720. Its totient is φ = 1841806512.

The previous prime is 2890032007. The next prime is 2890032049. The reversal of 2890032021 is 1202300982.

It is a happy number.

It is not a de Polignac number, because 2890032021 - 2⁹ = 2890031509 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2890032421) 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, 28086 + ... + 81048.

It is an arithmetic number, because the mean of its divisors is an integer number (139824960).

Almost surely, 2^2890032021 is an apocalyptic number.

It is an amenable number.

2890032021 is a deficient number, since it is larger than the sum of its proper divisors (1584366699).

2890032021 is a wasteful number, since it uses less digits than its factorization.

2890032021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53062 (or 53056 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 27.

The square root of 2890032021 is about 53759.0180434874. The cubic root of 2890032021 is about 1424.4073901526.

The spelling of 2890032021 in words is "two billion, eight hundred ninety million, thirty-two thousand, twenty-one".