3959730 has 24 divisors (see below), whose sum is σ = 10295532. Its totient is φ = 1055904.

The previous prime is 3959729. The next prime is 3959801. The reversal of 3959730 is 379593.

3959730 is a `hidden beast` number, since 39 + 597 + 30 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 3790809 + 168921 = 1947^2 + 411^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 21909 + ... + 22088.

Almost surely, 2^3959730 is an apocalyptic number.

3959730 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

3959730 is an abundant number, since it is smaller than the sum of its proper divisors (6335802).

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

3959730 is a wasteful number, since it uses less digits than its factorization.

3959730 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44010 (or 44007 counting only the distinct ones).

The product of its (nonzero) digits is 25515, while the sum is 36.

The square root of 3959730 is about 1989.9070330043. The cubic root of 3959730 is about 158.2056021240.

The spelling of 3959730 in words is "three million, nine hundred fifty-nine thousand, seven hundred thirty".