3890913 has 8 divisors (see below), whose sum is σ = 5587008. Its totient is φ = 2394384.

The previous prime is 3890879. The next prime is 3890927. The reversal of 3890913 is 3190983.

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

It is not a de Polignac number, because 3890913 - 2⁶ = 3890849 is a prime.

It is not an unprimeable number, because it can be changed into a prime (3890963) 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, 49845 + ... + 49922.

It is an arithmetic number, because the mean of its divisors is an integer number (698376).

Almost surely, 2^3890913 is an apocalyptic number.

It is an amenable number.

3890913 is a deficient number, since it is larger than the sum of its proper divisors (1696095).

3890913 is a wasteful number, since it uses less digits than its factorization.

3890913 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 99783.

The product of its (nonzero) digits is 5832, while the sum is 33.

The square root of 3890913 is about 1972.5397334401. The cubic root of 3890913 is about 157.2837445264.

It can be divided in two parts, 38 and 90913, that added together give a triangular number (90951 = T₄₂₆).

The spelling of 3890913 in words is "three million, eight hundred ninety thousand, nine hundred thirteen".