238834542 has 16 divisors (see below), whose sum is σ = 487832832. Its totient is φ = 77917560.

The previous prime is 238834501. The next prime is 238834559. The reversal of 238834542 is 245438832.

It is a self number, because there is not a number n which added to its sum of digits gives 238834542.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 423184 + ... + 423747.

It is an arithmetic number, because the mean of its divisors is an integer number (30489552).

Almost surely, 2^238834542 is an apocalyptic number.

238834542 is an abundant number, since it is smaller than the sum of its proper divisors (248998290).

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

238834542 is a wasteful number, since it uses less digits than its factorization.

238834542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 846983.

The product of its digits is 184320, while the sum is 39.

The square root of 238834542 is about 15454.2726130996. The cubic root of 238834542 is about 620.4389382200.

The spelling of 238834542 in words is "two hundred thirty-eight million, eight hundred thirty-four thousand, five hundred forty-two".