900381 has 8 divisors (see below), whose sum is σ = 1252800. Its totient is φ = 574112.

The previous prime is 900349. The next prime is 900397. The reversal of 900381 is 183009.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 900381 - 2⁵ = 900349 is a prime.

It is a super-2 number, since 2×900381² = 1621371890322, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (900331) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6456 + ... + 6593.

It is an arithmetic number, because the mean of its divisors is an integer number (156600).

2⁹⁰⁰³⁸¹ is an apocalyptic number.

It is an amenable number.

900381 is a deficient number, since it is larger than the sum of its proper divisors (352419).

900381 is a wasteful number, since it uses less digits than its factorization.

900381 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13075.

The product of its (nonzero) digits is 216, while the sum is 21.

The square root of 900381 is about 948.8840814346. The cubic root of 900381 is about 96.5625606665.

The spelling of 900381 in words is "nine hundred thousand, three hundred eighty-one".