39218468 has 12 divisors (see below), whose sum is σ = 70306572. Its totient is φ = 19130880.

The previous prime is 39218467. The next prime is 39218477. The reversal of 39218468 is 86481293.

It can be written as a sum of positive squares in 2 ways, for example, as 23600164 + 15618304 = 4858^2 + 3952^2 .

It is a Harshad number since it is a multiple of its sum of digits (41).

It is not an unprimeable number, because it can be changed into a prime (39218461) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 119405 + ... + 119732.

It is an arithmetic number, because the mean of its divisors is an integer number (5858881).

Almost surely, 2^39218468 is an apocalyptic number.

It is an amenable number.

39218468 is a deficient number, since it is larger than the sum of its proper divisors (31088104).

39218468 is a wasteful number, since it uses less digits than its factorization.

39218468 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 239182 (or 239180 counting only the distinct ones).

The product of its digits is 82944, while the sum is 41.

The square root of 39218468 is about 6262.4650098823. The cubic root of 39218468 is about 339.7531888148.

The spelling of 39218468 in words is "thirty-nine million, two hundred eighteen thousand, four hundred sixty-eight".