4979894 has 4 divisors (see below), whose sum is σ = 7469844. Its totient is φ = 2489946.

The previous prime is 4979893. The next prime is 4979903. The reversal of 4979894 is 4989794.

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

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4979893) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1244972 + ... + 1244975.

It is an arithmetic number, because the mean of its divisors is an integer number (1867461).

Almost surely, 2^4979894 is an apocalyptic number.

4979894 is a deficient number, since it is larger than the sum of its proper divisors (2489950).

4979894 is a wasteful number, since it uses less digits than its factorization.

4979894 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2489949.

The product of its digits is 653184, while the sum is 50.

The square root of 4979894 is about 2231.5676104479. The cubic root of 4979894 is about 170.7680815770.

The spelling of 4979894 in words is "four million, nine hundred seventy-nine thousand, eight hundred ninety-four".