2973428 has 12 divisors (see below), whose sum is σ = 5383140. Its totient is φ = 1435392.

The previous prime is 2973413. The next prime is 2973433. The reversal of 2973428 is 8243792.

It can be written as a sum of positive squares in 2 ways, for example, as 1304164 + 1669264 = 1142^2 + 1292^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12701 + ... + 12932.

It is an arithmetic number, because the mean of its divisors is an integer number (448595).

2^2973428 is an apocalyptic number.

It is an amenable number.

2973428 is a deficient number, since it is larger than the sum of its proper divisors (2409712).

2973428 is a wasteful number, since it uses less digits than its factorization.

2973428 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25666 (or 25664 counting only the distinct ones).

The product of its digits is 24192, while the sum is 35.

The square root of 2973428 is about 1724.3630708177. The cubic root of 2973428 is about 143.7978774359.

The spelling of 2973428 in words is "two million, nine hundred seventy-three thousand, four hundred twenty-eight".