3890479 has 4 divisors (see below), whose sum is σ = 3911040. Its totient is φ = 3869920.

The previous prime is 3890431. The next prime is 3890503. The reversal of 3890479 is 9740983.

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 3890479 - 2⁷ = 3890351 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 (3890429) 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, 9994 + ... + 10375.

It is an arithmetic number, because the mean of its divisors is an integer number (977760).

Almost surely, 2^3890479 is an apocalyptic number.

3890479 is a deficient number, since it is larger than the sum of its proper divisors (20561).

3890479 is a wasteful number, since it uses less digits than its factorization.

3890479 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20560.

The product of its (nonzero) digits is 54432, while the sum is 40.

The square root of 3890479 is about 1972.4297199140. The cubic root of 3890479 is about 157.2778963974.

It can be divided in two parts, 38904 and 79, that added together give a palindrome (38983).

The spelling of 3890479 in words is "three million, eight hundred ninety thousand, four hundred seventy-nine".