3979291 has 4 divisors (see below), whose sum is σ = 4010752. Its totient is φ = 3947832.

The previous prime is 3979289. The next prime is 3979357. The reversal of 3979291 is 1929793.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 3979291 - 2¹ = 3979289 is a prime.

It is a super-3 number, since 3×3979291³ (a number of 21 digits) contains 333 as substring.

It is a Duffinian number.

3979291 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (3979201) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15540 + ... + 15793.

It is an arithmetic number, because the mean of its divisors is an integer number (1002688).

Almost surely, 2^3979291 is an apocalyptic number.

3979291 is a deficient number, since it is larger than the sum of its proper divisors (31461).

3979291 is a wasteful number, since it uses less digits than its factorization.

3979291 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31460.

The product of its digits is 30618, while the sum is 40.

The square root of 3979291 is about 1994.8160316180. The cubic root of 3979291 is about 158.4656853339.

The spelling of 3979291 in words is "three million, nine hundred seventy-nine thousand, two hundred ninety-one".