901812 has 24 divisors (see below), whose sum is σ = 2119936. Its totient is φ = 298368.

The previous prime is 901811. The next prime is 901819. The reversal of 901812 is 218109.

901812 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an alternating number because its digits alternate between odd and even.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (901811) 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, 2508 + ... + 2844.

2⁹⁰¹⁸¹² is an apocalyptic number.

It is an amenable number.

901812 is an abundant number, since it is smaller than the sum of its proper divisors (1218124).

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

901812 is a wasteful number, since it uses less digits than its factorization.

901812 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 567 (or 565 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 21.

The square root of 901812 is about 949.6378256999. The cubic root of 901812 is about 96.6136900898.

The spelling of 901812 in words is "nine hundred one thousand, eight hundred twelve".