3161401 has 8 divisors (see below), whose sum is σ = 3232584. Its totient is φ = 3091200.

The previous prime is 3161351. The next prime is 3161407. The reversal of 3161401 is 1041613.

3161401 = T₁₉₈ + T₁₉₉ + ... + T₂₉₈.

3161401 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 102400 + 3059001 = 320^2 + 1749^2 .

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 3161401 - 2⁷ = 3161273 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3161407) 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, 11275 + ... + 11551.

It is an arithmetic number, because the mean of its divisors is an integer number (404073).

Almost surely, 2^3161401 is an apocalyptic number.

It is an amenable number.

3161401 is a deficient number, since it is larger than the sum of its proper divisors (71183).

3161401 is a wasteful number, since it uses less digits than its factorization.

3161401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 491.

The product of its (nonzero) digits is 72, while the sum is 16.

The square root of 3161401 is about 1778.0329018328. The cubic root of 3161401 is about 146.7663618551.

The spelling of 3161401 in words is "three million, one hundred sixty-one thousand, four hundred one".