2978433 has 12 divisors (see below), whose sum is σ = 4326400. Its totient is φ = 1974456.

The previous prime is 2978429. The next prime is 2978453. The reversal of 2978433 is 3348792.

It is not a de Polignac number, because 2978433 - 2² = 2978429 is a prime.

It is a Duffinian number.

2978433 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (2978413) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 960 + ... + 2622.

2^2978433 is an apocalyptic number.

It is an amenable number.

2978433 is a deficient number, since it is larger than the sum of its proper divisors (1347967).

2978433 is a wasteful number, since it uses less digits than its factorization.

2978433 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1868 (or 1865 counting only the distinct ones).

The product of its digits is 36288, while the sum is 36.

The square root of 2978433 is about 1725.8137211182. The cubic root of 2978433 is about 143.8785144357.

The spelling of 2978433 in words is "two million, nine hundred seventy-eight thousand, four hundred thirty-three".