901940 has 24 divisors (see below), whose sum is σ = 2040360. Its totient is φ = 332928.

The previous prime is 901937. The next prime is 901963. The reversal of 901940 is 49109.

901940 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 29584 + 872356 = 172^2 + 934^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1475 + ... + 1994.

It is an arithmetic number, because the mean of its divisors is an integer number (85015).

2⁹⁰¹⁹⁴⁰ is an apocalyptic number.

It is an amenable number.

901940 is an abundant number, since it is smaller than the sum of its proper divisors (1138420).

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

901940 is a wasteful number, since it uses less digits than its factorization.

901940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3491 (or 3489 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 23.

The square root of 901940 is about 949.7052174228. The cubic root of 901940 is about 96.6182608752.

The spelling of 901940 in words is "nine hundred one thousand, nine hundred forty".