3161426 has 4 divisors (see below), whose sum is σ = 4742142. Its totient is φ = 1580712.

The previous prime is 3161407. The next prime is 3161437. The reversal of 3161426 is 6241613.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 6241613 = 7 ⋅891659.

It can be written as a sum of positive squares in only one way, i.e., 2719201 + 442225 = 1649^2 + 665^2 .

It is a super-2 number, since 2×3161426² = 19989228706952, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 790355 + ... + 790358.

Almost surely, 2^3161426 is an apocalyptic number.

3161426 is a deficient number, since it is larger than the sum of its proper divisors (1580716).

3161426 is a wasteful number, since it uses less digits than its factorization.

3161426 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1580715.

The product of its digits is 864, while the sum is 23.

The square root of 3161426 is about 1778.0399320600. The cubic root of 3161426 is about 146.7667487247.

The spelling of 3161426 in words is "three million, one hundred sixty-one thousand, four hundred twenty-six".