3913381 has 8 divisors (see below), whose sum is σ = 4106880. Its totient is φ = 3721872.

The previous prime is 3913369. The next prime is 3913391. The reversal of 3913381 is 1833193.

3913381 is nontrivially palindromic in base 12.

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 3913381 - 2¹⁷ = 3782309 is a prime.

It is a super-2 number, since 2×3913381² = 30629101702322, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3913331) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4896 + ... + 5638.

It is an arithmetic number, because the mean of its divisors is an integer number (513360).

Almost surely, 2^3913381 is an apocalyptic number.

It is an amenable number.

3913381 is a deficient number, since it is larger than the sum of its proper divisors (193499).

3913381 is a wasteful number, since it uses less digits than its factorization.

3913381 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 995.

The product of its digits is 1944, while the sum is 28.

The square root of 3913381 is about 1978.2267311913. The cubic root of 3913381 is about 157.5859076141.

The spelling of 3913381 in words is "three million, nine hundred thirteen thousand, three hundred eighty-one".