3161394 has 12 divisors (see below), whose sum is σ = 6849726. Its totient is φ = 1053792.

The previous prime is 3161351. The next prime is 3161407. The reversal of 3161394 is 4931613.

It can be written as a sum of positive squares in only one way, i.e., 2873025 + 288369 = 1695^2 + 537^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 87799 + ... + 87834.

Almost surely, 2^3161394 is an apocalyptic number.

3161394 is an abundant number, since it is smaller than the sum of its proper divisors (3688332).

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

3161394 is a wasteful number, since it uses less digits than its factorization.

3161394 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 175641 (or 175638 counting only the distinct ones).

The product of its digits is 1944, while the sum is 27.

The square root of 3161394 is about 1778.0309333642. The cubic root of 3161394 is about 146.7662535313.

It can be divided in two parts, 31 and 61394, that added together give a triangular number (61425 = T₃₅₀).

The spelling of 3161394 in words is "three million, one hundred sixty-one thousand, three hundred ninety-four".