238744146 has 16 divisors (see below), whose sum is σ = 480975264. Its totient is φ = 79000224.

The previous prime is 238744111. The next prime is 238744147. The reversal of 238744146 is 641447832.

It is not an unprimeable number, because it can be changed into a prime (238744147) 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, 144400 + ... + 146043.

It is an arithmetic number, because the mean of its divisors is an integer number (30060954).

Almost surely, 2^238744146 is an apocalyptic number.

238744146 is an abundant number, since it is smaller than the sum of its proper divisors (242231118).

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

238744146 is a wasteful number, since it uses less digits than its factorization.

238744146 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 290585.

The product of its digits is 129024, while the sum is 39.

The square root of 238744146 is about 15451.3477082098. The cubic root of 238744146 is about 620.3606521184.

The spelling of 238744146 in words is "two hundred thirty-eight million, seven hundred forty-four thousand, one hundred forty-six".