39874818 has 8 divisors (see below), whose sum is σ = 79749648. Its totient is φ = 13291604.

The previous prime is 39874817. The next prime is 39874823. The reversal of 39874818 is 81847893.

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

39874818 is an admirable number.

It is a super-2 number, since 2×39874818² = 3180002221066248, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (39874817) 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, 3322896 + ... + 3322907.

It is an arithmetic number, because the mean of its divisors is an integer number (9968706).

Almost surely, 2^39874818 is an apocalyptic number.

39874818 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

39874818 is a wasteful number, since it uses less digits than its factorization.

39874818 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6645808.

The product of its digits is 387072, while the sum is 48.

The square root of 39874818 is about 6314.6510592431. The cubic root of 39874818 is about 341.6380528354.

The spelling of 39874818 in words is "thirty-nine million, eight hundred seventy-four thousand, eight hundred eighteen".