146398938 has 24 divisors (see below), whose sum is σ = 334805472. Its totient is φ = 41805864.

The previous prime is 146398921. The next prime is 146398981. The reversal of 146398938 is 839893641.

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 77481 + ... + 79347.

It is an arithmetic number, because the mean of its divisors is an integer number (13950228).

Almost surely, 2^146398938 is an apocalyptic number.

146398938 is an abundant number, since it is smaller than the sum of its proper divisors (188406534).

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

146398938 is an frugal number, since it uses more digits than its factorization.

146398938 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3746 (or 1879 counting only the distinct ones).

The product of its digits is 1119744, while the sum is 51.

The square root of 146398938 is about 12099.5428839275. The cubic root of 146398938 is about 527.0429100416.

The spelling of 146398938 in words is "one hundred forty-six million, three hundred ninety-eight thousand, nine hundred thirty-eight".