239428354 has 16 divisors (see below), whose sum is σ = 392559840. Its totient is φ = 108617760.

The previous prime is 239428339. The next prime is 239428361. The reversal of 239428354 is 453824932.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1102 + ... + 21910.

It is an arithmetic number, because the mean of its divisors is an integer number (24534990).

Almost surely, 2^239428354 is an apocalyptic number.

239428354 is a deficient number, since it is larger than the sum of its proper divisors (153131486).

239428354 is a wasteful number, since it uses less digits than its factorization.

239428354 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21345.

The product of its digits is 207360, while the sum is 40.

The square root of 239428354 is about 15473.4725902106. The cubic root of 239428354 is about 620.9527097601.

The spelling of 239428354 in words is "two hundred thirty-nine million, four hundred twenty-eight thousand, three hundred fifty-four".