3930072 has 16 divisors (see below), whose sum is σ = 9825240. Its totient is φ = 1310016.

The previous prime is 3930061. The next prime is 3930139. The reversal of 3930072 is 2700393.

It is a Harshad number since it is a multiple of its sum of digits (24), and also a Moran number because the ratio is a prime number: 163753 = 3930072 / (3 + 9 + 3 + 0 + 0 + 7 + 2).

It is a d-powerful number, because it can be written as 3¹¹ + 9⁵ + 3¹³ + 0 + 0 + 7⁴ + 2²¹ .

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, 81853 + ... + 81900.

Almost surely, 2^3930072 is an apocalyptic number.

It is an amenable number.

3930072 is an abundant number, since it is smaller than the sum of its proper divisors (5895168).

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

3930072 is a wasteful number, since it uses less digits than its factorization.

3930072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 163762 (or 163758 counting only the distinct ones).

The product of its (nonzero) digits is 1134, while the sum is 24.

The square root of 3930072 is about 1982.4409196745. The cubic root of 3930072 is about 157.8096302520.

The spelling of 3930072 in words is "three million, nine hundred thirty thousand, seventy-two".