890454532 has 24 divisors (see below), whose sum is σ = 1789431840. Its totient is φ = 383448960.

The previous prime is 890454529. The next prime is 890454533. The reversal of 890454532 is 235454098.

It is not an unprimeable number, because it can be changed into a prime (890454533) 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, 531733 + ... + 533404.

It is an arithmetic number, because the mean of its divisors is an integer number (74559660).

Almost surely, 2^890454532 is an apocalyptic number.

It is an amenable number.

890454532 is an abundant number, since it is smaller than the sum of its proper divisors (898977308).

890454532 is a wasteful number, since it uses less digits than its factorization.

890454532 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1065171 (or 1065169 counting only the distinct ones).

The product of its (nonzero) digits is 172800, while the sum is 40.

The square root of 890454532 is about 29840.4847815849. The cubic root of 890454532 is about 962.0638944541.

It can be divided in two parts, 8904 and 54532, that added together give a palindrome (63436).

The spelling of 890454532 in words is "eight hundred ninety million, four hundred fifty-four thousand, five hundred thirty-two".