901966 has 16 divisors (see below), whose sum is σ = 1474704. Its totient is φ = 411264.

The previous prime is 901963. The next prime is 901973. The reversal of 901966 is 669109.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (901963) 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 7 ways as a sum of consecutive naturals, for example, 2785 + ... + 3091.

It is an arithmetic number, because the mean of its divisors is an integer number (92169).

2⁹⁰¹⁹⁶⁶ is an apocalyptic number.

901966 is a deficient number, since it is larger than the sum of its proper divisors (572738).

901966 is a wasteful number, since it uses less digits than its factorization.

901966 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 435.

The product of its (nonzero) digits is 2916, while the sum is 31.

The square root of 901966 is about 949.7189057821. The cubic root of 901966 is about 96.6191892631.

The spelling of 901966 in words is "nine hundred one thousand, nine hundred sixty-six".