901612 has 12 divisors (see below), whose sum is σ = 1670760. Its totient is φ = 424256.

The previous prime is 901591. The next prime is 901613. The reversal of 901612 is 216109.

It is an Ulam number.

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

It is a self number, because there is not a number n which added to its sum of digits gives 901612.

It is not an unprimeable number, because it can be changed into a prime (901613) by changing a digit.

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 in 3 ways as a sum of consecutive naturals, for example, 6562 + ... + 6697.

It is an arithmetic number, because the mean of its divisors is an integer number (139230).

2⁹⁰¹⁶¹² is an apocalyptic number.

It is an amenable number.

901612 is a deficient number, since it is larger than the sum of its proper divisors (769148).

901612 is a wasteful number, since it uses less digits than its factorization.

901612 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13280 (or 13278 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 19.

The square root of 901612 is about 949.5325165575. The cubic root of 901612 is about 96.6065473717.

The spelling of 901612 in words is "nine hundred one thousand, six hundred twelve".