338453994 has 8 divisors (see below), whose sum is σ = 676908000. Its totient is φ = 112817996.

The previous prime is 338453971. The next prime is 338454023. The reversal of 338453994 is 499354833.

It is a happy number.

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

338453994 is an admirable number.

It is a super-2 number, since 2×338453994² = 229102212109104072, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 28204494 + ... + 28204505.

It is an arithmetic number, because the mean of its divisors is an integer number (84613500).

Almost surely, 2^338453994 is an apocalyptic number.

338453994 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.

338453994 is a wasteful number, since it uses less digits than its factorization.

338453994 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56409004.

The product of its digits is 1399680, while the sum is 48.

The square root of 338453994 is about 18397.1191766537. The cubic root of 338453994 is about 696.8937150061.

The spelling of 338453994 in words is "three hundred thirty-eight million, four hundred fifty-three thousand, nine hundred ninety-four".