3981413 has 8 divisors (see below), whose sum is σ = 4153248. Its totient is φ = 3813264.

The previous prime is 3981407. The next prime is 3981421. The reversal of 3981413 is 3141893.

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 3981413 - 2⁸ = 3981157 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3981403) 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, 1406 + ... + 3152.

It is an arithmetic number, because the mean of its divisors is an integer number (519156).

Almost surely, 2^3981413 is an apocalyptic number.

It is an amenable number.

3981413 is a deficient number, since it is larger than the sum of its proper divisors (171835).

3981413 is a wasteful number, since it uses less digits than its factorization.

3981413 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1843.

The product of its digits is 2592, while the sum is 29.

The square root of 3981413 is about 1995.3478393503. The cubic root of 3981413 is about 158.4938481758.

The spelling of 3981413 in words is "three million, nine hundred eighty-one thousand, four hundred thirteen".