3979737 has 6 divisors (see below), whose sum is σ = 5748522. Its totient is φ = 2653152.

The previous prime is 3979711. The next prime is 3979739. The reversal of 3979737 is 7379793.

It can be written as a sum of positive squares in only one way, i.e., 3426201 + 553536 = 1851^2 + 744^2 .

It is not a de Polignac number, because 3979737 - 2¹⁶ = 3914201 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 3979692 and 3979701.

It is not an unprimeable number, because it can be changed into a prime (3979739) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 221088 + ... + 221105.

It is an arithmetic number, because the mean of its divisors is an integer number (958087).

Almost surely, 2^3979737 is an apocalyptic number.

It is an amenable number.

3979737 is a deficient number, since it is larger than the sum of its proper divisors (1768785).

3979737 is a wasteful number, since it uses less digits than its factorization.

3979737 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 442199 (or 442196 counting only the distinct ones).

The product of its digits is 250047, while the sum is 45.

The square root of 3979737 is about 1994.9278182431. The cubic root of 3979737 is about 158.4716054049.

The spelling of 3979737 in words is "three million, nine hundred seventy-nine thousand, seven hundred thirty-seven".