890534100 has 36 divisors (see below), whose sum is σ = 2576612864. Its totient is φ = 237475680.

The previous prime is 890534087. The next prime is 890534101. The reversal of 890534100 is 1435098.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (890534101) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1483924 + ... + 1484523.

Almost surely, 2^890534100 is an apocalyptic number.

It is an amenable number.

890534100 is an abundant number, since it is smaller than the sum of its proper divisors (1686078764).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

890534100 is a wasteful number, since it uses less digits than its factorization.

890534100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2968464 (or 2968457 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 30.

The square root of 890534100 is about 29841.8179741114. The cubic root of 890534100 is about 962.0925491907.

Adding to 890534100 its reverse (1435098), we get a palindrome (891969198).

The spelling of 890534100 in words is "eight hundred ninety million, five hundred thirty-four thousand, one hundred".