901332 has 18 divisors (see below), whose sum is σ = 2278458. Its totient is φ = 300432.

The previous prime is 901309. The next prime is 901333. The reversal of 901332 is 233109.

It can be written as a sum of positive squares in only one way, i.e., 767376 + 133956 = 876^2 + 366^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (901333) by changing a digit.

901332 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 12483 + ... + 12554.

It is an arithmetic number, because the mean of its divisors is an integer number (126581).

2⁹⁰¹³³² is an apocalyptic number.

It is an amenable number.

901332 is an abundant number, since it is smaller than the sum of its proper divisors (1377126).

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

901332 is a wasteful number, since it uses less digits than its factorization.

901332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25047 (or 25042 counting only the distinct ones).

The product of its (nonzero) digits is 162, while the sum is 18.

The square root of 901332 is about 949.3850641336. The cubic root of 901332 is about 96.5965457916.

It can be divided in two parts, 9013 and 32, that added together give a triangular number (9045 = T₁₃₄).

The spelling of 901332 in words is "nine hundred one thousand, three hundred thirty-two".