3728979 has 6 divisors (see below), whose sum is σ = 5386316. Its totient is φ = 2485980.

The previous prime is 3728969. The next prime is 3728983. The reversal of 3728979 is 9798273.

It is not a de Polignac number, because 3728979 - 2⁵ = 3728947 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3728939) 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, 207157 + ... + 207174.

Almost surely, 2^3728979 is an apocalyptic number.

3728979 is a deficient number, since it is larger than the sum of its proper divisors (1657337).

3728979 is a wasteful number, since it uses less digits than its factorization.

3728979 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 414337 (or 414334 counting only the distinct ones).

The product of its digits is 190512, while the sum is 45.

The square root of 3728979 is about 1931.0564466115. The cubic root of 3728979 is about 155.0707827943.

The spelling of 3728979 in words is "three million, seven hundred twenty-eight thousand, nine hundred seventy-nine".