238190946 has 16 divisors (see below), whose sum is σ = 544436544. Its totient is φ = 68054544.

The previous prime is 238190923. The next prime is 238190951. The reversal of 238190946 is 649091832.

It is a Harshad number since it is a multiple of its sum of digits (42), and also a Moran number because the ratio is a prime number: 5671213 = 238190946 / (2 + 3 + 8 + 1 + 9 + 0 + 9 + 4 + 6).

It is a junction number, because it is equal to n+sod(n) for n = 238190898 and 238190907.

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, 2835565 + ... + 2835648.

It is an arithmetic number, because the mean of its divisors is an integer number (34027284).

Almost surely, 2^238190946 is an apocalyptic number.

238190946 is an abundant number, since it is smaller than the sum of its proper divisors (306245598).

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

238190946 is a wasteful number, since it uses less digits than its factorization.

238190946 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5671225.

The product of its (nonzero) digits is 93312, while the sum is 42.

The square root of 238190946 is about 15433.4359751806. The cubic root of 238190946 is about 619.8811305237.

The spelling of 238190946 in words is "two hundred thirty-eight million, one hundred ninety thousand, nine hundred forty-six".