900028043 has 4 divisors (see below), whose sum is σ = 947397960. Its totient is φ = 852658128.

The previous prime is 900028027. The next prime is 900028061. The reversal of 900028043 is 340820009.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 900028043 - 2⁴ = 900028027 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (900028243) 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, 23684930 + ... + 23684967.

It is an arithmetic number, because the mean of its divisors is an integer number (236849490).

Almost surely, 2^900028043 is an apocalyptic number.

900028043 is a deficient number, since it is larger than the sum of its proper divisors (47369917).

900028043 is a wasteful number, since it uses less digits than its factorization.

900028043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47369916.

The product of its (nonzero) digits is 1728, while the sum is 26.

The square root of 900028043 is about 30000.4673796926. The cubic root of 900028043 is about 965.4994123603.

The spelling of 900028043 in words is "nine hundred million, twenty-eight thousand, forty-three".