3166401 has 16 divisors (see below), whose sum is σ = 4866048. Its totient is φ = 1794000.

The previous prime is 3166393. The next prime is 3166409. The reversal of 3166401 is 1046613.

It is an interprime number because it is at equal distance from previous prime (3166393) and next prime (3166409).

It is not a de Polignac number, because 3166401 - 2³ = 3166393 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (3166409) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2176 + ... + 3326.

It is an arithmetic number, because the mean of its divisors is an integer number (304128).

Almost surely, 2^3166401 is an apocalyptic number.

It is an amenable number.

3166401 is a deficient number, since it is larger than the sum of its proper divisors (1699647).

3166401 is a wasteful number, since it uses less digits than its factorization.

3166401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1292.

The product of its (nonzero) digits is 432, while the sum is 21.

The square root of 3166401 is about 1779.4383945504. The cubic root of 3166401 is about 146.8436952144.

The spelling of 3166401 in words is "three million, one hundred sixty-six thousand, four hundred one".