147920838 has 16 divisors (see below), whose sum is σ = 318598896. Its totient is φ = 45514080.

The previous prime is 147920831. The next prime is 147920867. The reversal of 147920838 is 838029741.

It is a self number, because there is not a number n which added to its sum of digits gives 147920838.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (147920831) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 948133 + ... + 948288.

It is an arithmetic number, because the mean of its divisors is an integer number (19912431).

Almost surely, 2^147920838 is an apocalyptic number.

147920838 is an abundant number, since it is smaller than the sum of its proper divisors (170678058).

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

147920838 is a wasteful number, since it uses less digits than its factorization.

147920838 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1896439.

The product of its (nonzero) digits is 96768, while the sum is 42.

The square root of 147920838 is about 12162.2710872600. The cubic root of 147920838 is about 528.8629211849.

The spelling of 147920838 in words is "one hundred forty-seven million, nine hundred twenty thousand, eight hundred thirty-eight".