393499122 has 8 divisors (see below), whose sum is σ = 786998256. Its totient is φ = 131166372.

The previous prime is 393499103. The next prime is 393499129. The reversal of 393499122 is 221994393.

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

393499122 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (393499129) 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, 32791588 + ... + 32791599.

It is an arithmetic number, because the mean of its divisors is an integer number (98374782).

Almost surely, 2^393499122 is an apocalyptic number.

393499122 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.

393499122 is a wasteful number, since it uses less digits than its factorization.

393499122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65583192.

The product of its digits is 104976, while the sum is 42.

The square root of 393499122 is about 19836.8122943179. The cubic root of 393499122 is about 732.7929051824.

The spelling of 393499122 in words is "three hundred ninety-three million, four hundred ninety-nine thousand, one hundred twenty-two".