3091401 has 6 divisors (see below), whose sum is σ = 4465370. Its totient is φ = 2060928.

The previous prime is 3091397. The next prime is 3091409. The reversal of 3091401 is 1041903.

It can be written as a sum of positive squares in only one way, i.e., 3059001 + 32400 = 1749^2 + 180^2 .

It is not a de Polignac number, because 3091401 - 2² = 3091397 is a prime.

It is a super-3 number, since 3×3091401³ = 88631333586645462603, which contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3091409) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 171736 + ... + 171753.

Almost surely, 2^3091401 is an apocalyptic number.

It is an amenable number.

3091401 is a deficient number, since it is larger than the sum of its proper divisors (1373969).

3091401 is a wasteful number, since it uses less digits than its factorization.

3091401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 343495 (or 343492 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 18.

The square root of 3091401 is about 1758.2380384919. The cubic root of 3091401 is about 145.6750293822.

The spelling of 3091401 in words is "three million, ninety-one thousand, four hundred one".