4392972 has 18 divisors (see below), whose sum is σ = 11104548. Its totient is φ = 1464312.

The previous prime is 4392937. The next prime is 4393001. The reversal of 4392972 is 2792934.

It is a tau number, because it is divible by the number of its divisors (18).

It is a Harshad number since it is a multiple of its sum of digits (36), and also a Moran number because the ratio is a prime number: 122027 = 4392972 / (4 + 3 + 9 + 2 + 9 + 7 + 2).

It is a d-powerful number, because it can be written as 4¹¹ + 3 + 9 + 2¹³ + 9⁵ + 7³ + 2¹⁷ .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 60978 + ... + 61049.

Almost surely, 2^4392972 is an apocalyptic number.

It is an amenable number.

4392972 is an abundant number, since it is smaller than the sum of its proper divisors (6711576).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

4392972 is a wasteful number, since it uses less digits than its factorization.

4392972 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 122037 (or 122032 counting only the distinct ones).

The product of its digits is 27216, while the sum is 36.

The square root of 4392972 is about 2095.9417930849. The cubic root of 4392972 is about 163.7769623260.

The spelling of 4392972 in words is "four million, three hundred ninety-two thousand, nine hundred seventy-two".