82379949 has 8 divisors (see below), whose sum is σ = 109908672. Its totient is φ = 54885600.

The previous prime is 82379933. The next prime is 82380007. The reversal of 82379949 is 94997328.

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

It is not a de Polignac number, because 82379949 - 2⁴ = 82379933 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82379929) 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, 2352 + ... + 13049.

It is an arithmetic number, because the mean of its divisors is an integer number (13738584).

Almost surely, 2^82379949 is an apocalyptic number.

It is an amenable number.

82379949 is a deficient number, since it is larger than the sum of its proper divisors (27528723).

82379949 is a wasteful number, since it uses less digits than its factorization.

82379949 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17187.

The product of its digits is 979776, while the sum is 51.

The square root of 82379949 is about 9076.3400663483. The cubic root of 82379949 is about 435.1181235557.

The spelling of 82379949 in words is "eighty-two million, three hundred seventy-nine thousand, nine hundred forty-nine".