338999142 has 32 divisors (see below), whose sum is σ = 718783200. Its totient is φ = 106219008.

The previous prime is 338999137. The next prime is 338999149. The reversal of 338999142 is 241999833.

It is a super-2 number, since 2×338999142² = 229840836553472328, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 338999091 and 338999100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (338999149) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 107484 + ... + 110592.

It is an arithmetic number, because the mean of its divisors is an integer number (22461975).

Almost surely, 2^338999142 is an apocalyptic number.

338999142 is an abundant number, since it is smaller than the sum of its proper divisors (379784058).

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

338999142 is a wasteful number, since it uses less digits than its factorization.

338999142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4200.

The product of its digits is 419904, while the sum is 48.

The square root of 338999142 is about 18411.9293394256. The cubic root of 338999142 is about 697.2676766377.

The spelling of 338999142 in words is "three hundred thirty-eight million, nine hundred ninety-nine thousand, one hundred forty-two".