39146979 has 8 divisors (see below), whose sum is σ = 52329040. Its totient is φ = 26031456.

The previous prime is 39146957. The next prime is 39146983. The reversal of 39146979 is 97964193.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 39146979 - 2¹⁶ = 39081443 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (39146909) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15244 + ... + 17625.

It is an arithmetic number, because the mean of its divisors is an integer number (6541130).

Almost surely, 2^39146979 is an apocalyptic number.

39146979 is a deficient number, since it is larger than the sum of its proper divisors (13182061).

39146979 is a wasteful number, since it uses less digits than its factorization.

39146979 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33269.

The product of its digits is 367416, while the sum is 48.

The square root of 39146979 is about 6256.7546699547. The cubic root of 39146979 is about 339.5466246627.

The spelling of 39146979 in words is "thirty-nine million, one hundred forty-six thousand, nine hundred seventy-nine".