338927440 has 40 divisors (see below), whose sum is σ = 794234880. Its totient is φ = 134499456.

The previous prime is 338927411. The next prime is 338927441. The reversal of 338927440 is 44729833.

It is a tau number, because it is divible by the number of its divisors (40).

It is a super-2 number, since 2×338927440² = 229743619169907200, which contains 22 as substring.

It is a hoax number, since the sum of its digits (40) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (40).

It is a junction number, because it is equal to n+sod(n) for n = 338927393 and 338927402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (338927441) 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, 6520 + ... + 26839.

It is an arithmetic number, because the mean of its divisors is an integer number (19855872).

Almost surely, 2^338927440 is an apocalyptic number.

It is an amenable number.

338927440 is an abundant number, since it is smaller than the sum of its proper divisors (455307440).

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

338927440 is a wasteful number, since it uses less digits than its factorization.

338927440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33499 (or 33493 counting only the distinct ones).

The product of its (nonzero) digits is 145152, while the sum is 40.

The square root of 338927440 is about 18409.9820749505. The cubic root of 338927440 is about 697.2185132761.

The spelling of 338927440 in words is "three hundred thirty-eight million, nine hundred twenty-seven thousand, four hundred forty".