901942 has 4 divisors (see below), whose sum is σ = 1352916. Its totient is φ = 450970.

The previous prime is 901937. The next prime is 901963. The reversal of 901942 is 249109.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 225484 + ... + 225487.

It is an arithmetic number, because the mean of its divisors is an integer number (338229).

2⁹⁰¹⁹⁴² is an apocalyptic number.

901942 is a deficient number, since it is larger than the sum of its proper divisors (450974).

901942 is a wasteful number, since it uses less digits than its factorization.

901942 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 450973.

The product of its (nonzero) digits is 648, while the sum is 25.

The square root of 901942 is about 949.7062703805. The cubic root of 901942 is about 96.6183322903.

The spelling of 901942 in words is "nine hundred one thousand, nine hundred forty-two".