4051979 has 8 divisors (see below), whose sum is σ = 4365312. Its totient is φ = 3750120.

The previous prime is 4051951. The next prime is 4051987. The reversal of 4051979 is 9791504.

4051979 = 161² + 162² + ... + 253².

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4051979 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4051939) 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, 2129 + ... + 3554.

It is an arithmetic number, because the mean of its divisors is an integer number (545664).

Almost surely, 2^4051979 is an apocalyptic number.

4051979 is a deficient number, since it is larger than the sum of its proper divisors (313333).

4051979 is a wasteful number, since it uses less digits than its factorization.

4051979 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5737.

The product of its (nonzero) digits is 11340, while the sum is 35.

The square root of 4051979 is about 2012.9528062029. The cubic root of 4051979 is about 159.4247441288.

The spelling of 4051979 in words is "four million, fifty-one thousand, nine hundred seventy-nine".