338773540 has 24 divisors (see below), whose sum is σ = 813056832. Its totient is φ = 116150880.

The previous prime is 338773531. The next prime is 338773543. The reversal of 338773540 is 45377833.

It is a happy number.

It is a super-2 number, since 2×338773540² = 229535022808263200, 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 junction number, because it is equal to n+sod(n) for n = 338773493 and 338773502.

It is not an unprimeable number, because it can be changed into a prime (338773543) 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, 1209766 + ... + 1210045.

It is an arithmetic number, because the mean of its divisors is an integer number (33877368).

Almost surely, 2^338773540 is an apocalyptic number.

It is an amenable number.

338773540 is an abundant number, since it is smaller than the sum of its proper divisors (474283292).

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

338773540 is a wasteful number, since it uses less digits than its factorization.

338773540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2419827 (or 2419825 counting only the distinct ones).

The product of its (nonzero) digits is 211680, while the sum is 40.

The square root of 338773540 is about 18405.8018026925. The cubic root of 338773540 is about 697.1129664226.

The spelling of 338773540 in words is "three hundred thirty-eight million, seven hundred seventy-three thousand, five hundred forty".