2990403 has 24 divisors (see below), whose sum is σ = 4739280. Its totient is φ = 1805760.

The previous prime is 2990401. The next prime is 2990423. The reversal of 2990403 is 3040992.

It is not a de Polignac number, because 2990403 - 2¹ = 2990401 is a prime.

2990403 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (2990401) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6928 + ... + 7346.

It is an arithmetic number, because the mean of its divisors is an integer number (197470).

2^2990403 is an apocalyptic number.

2990403 is a deficient number, since it is larger than the sum of its proper divisors (1748877).

2990403 is a wasteful number, since it uses less digits than its factorization.

2990403 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 499 (or 496 counting only the distinct ones).

The product of its (nonzero) digits is 1944, while the sum is 27.

The square root of 2990403 is about 1729.2781731115. The cubic root of 2990403 is about 144.0710008661.

The spelling of 2990403 in words is "two million, nine hundred ninety thousand, four hundred three".