2978372 has 12 divisors (see below), whose sum is σ = 5275536. Its totient is φ = 1471080.

The previous prime is 2978357. The next prime is 2978377. The reversal of 2978372 is 2738792.

2978372 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is a hoax number, since the sum of its digits (38) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (2978377) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4154 + ... + 4817.

It is an arithmetic number, because the mean of its divisors is an integer number (439628).

2^2978372 is an apocalyptic number.

It is an amenable number.

2978372 is a deficient number, since it is larger than the sum of its proper divisors (2297164).

2978372 is a wasteful number, since it uses less digits than its factorization.

2978372 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9058 (or 9056 counting only the distinct ones).

The product of its digits is 42336, while the sum is 38.

The square root of 2978372 is about 1725.7960482050. The cubic root of 2978372 is about 143.8775321911.

It can be divided in two parts, 2978 and 372, that multiplied together give a triangular number (1107816 = T₁₄₈₈).

The spelling of 2978372 in words is "two million, nine hundred seventy-eight thousand, three hundred seventy-two".