2990385 has 32 divisors (see below), whose sum is σ = 5633280. Its totient is φ = 1499904.

The previous prime is 2990381. The next prime is 2990401. The reversal of 2990385 is 5830992.

It is not a de Polignac number, because 2990385 - 2² = 2990381 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2990381) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1644 + ... + 2946.

It is an arithmetic number, because the mean of its divisors is an integer number (176040).

2^2990385 is an apocalyptic number.

It is an amenable number.

2990385 is a deficient number, since it is larger than the sum of its proper divisors (2642895).

2990385 is a wasteful number, since it uses less digits than its factorization.

2990385 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1334 (or 1328 counting only the distinct ones).

The product of its (nonzero) digits is 19440, while the sum is 36.

The square root of 2990385 is about 1729.2729686200. The cubic root of 2990385 is about 144.0707117988.

It can be divided in two parts, 2990 and 385, that added together give a cube (3375 = 15³).

The spelling of 2990385 in words is "two million, nine hundred ninety thousand, three hundred eighty-five".