4879691 has 4 divisors (see below), whose sum is σ = 4899384. Its totient is φ = 4860000.

The previous prime is 4879687. The next prime is 4879709. The reversal of 4879691 is 1969784.

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 4879691 - 2² = 4879687 is a prime.

It is a super-2 number, since 2×4879691² = 47622768510962, which contains 22 as substring.

It is an Ulam number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4879631) 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, 9470 + ... + 9971.

It is an arithmetic number, because the mean of its divisors is an integer number (1224846).

Almost surely, 2^4879691 is an apocalyptic number.

4879691 is a deficient number, since it is larger than the sum of its proper divisors (19693).

4879691 is a wasteful number, since it uses less digits than its factorization.

4879691 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19692.

The product of its digits is 108864, while the sum is 44.

The square root of 4879691 is about 2209.0022634665. The cubic root of 4879691 is about 169.6149416311.

The spelling of 4879691 in words is "four million, eight hundred seventy-nine thousand, six hundred ninety-one".