738648146 has 16 divisors (see below), whose sum is σ = 1150104960. Its totient is φ = 355537680.

The previous prime is 738648137. The next prime is 738648167. The reversal of 738648146 is 641846837.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (47).

It is a self number, because there is not a number n which added to its sum of digits gives 738648146.

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, 58676 + ... + 70143.

It is an arithmetic number, because the mean of its divisors is an integer number (71881560).

Almost surely, 2^738648146 is an apocalyptic number.

738648146 is a deficient number, since it is larger than the sum of its proper divisors (411456814).

738648146 is a wasteful number, since it uses less digits than its factorization.

738648146 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 128929.

The product of its digits is 774144, while the sum is 47.

The square root of 738648146 is about 27178.0820883299. The cubic root of 738648146 is about 903.9530422067.

The spelling of 738648146 in words is "seven hundred thirty-eight million, six hundred forty-eight thousand, one hundred forty-six".