3913161 has 16 divisors (see below), whose sum is σ = 6156288. Its totient is φ = 2163600.

The previous prime is 3913159. The next prime is 3913171. The reversal of 3913161 is 1613193.

It is not a de Polignac number, because 3913161 - 2¹ = 3913159 is a prime.

3913161 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3913121) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2355 + ... + 3656.

It is an arithmetic number, because the mean of its divisors is an integer number (384768).

Almost surely, 2^3913161 is an apocalyptic number.

3913161 is a gapful number since it is divisible by the number (31) formed by its first and last digit.

It is an amenable number.

3913161 is a deficient number, since it is larger than the sum of its proper divisors (2243127).

3913161 is a wasteful number, since it uses less digits than its factorization.

3913161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6052.

The product of its digits is 486, while the sum is 24.

The square root of 3913161 is about 1978.1711250547. The cubic root of 3913161 is about 157.5829545369.

Subtracting from 3913161 its reverse (1613193), we obtain a cube (2299968 = 132³).

The spelling of 3913161 in words is "three million, nine hundred thirteen thousand, one hundred sixty-one".