738861144 has 32 divisors (see below), whose sum is σ = 2111032320. Its totient is φ = 211103136.

The previous prime is 738861107. The next prime is 738861199. The reversal of 738861144 is 441168837.

It is a super-2 number, since 2×738861144² = 1091831580225977472, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a nude number because it is divisible by every one of its digits.

It is a junction number, because it is equal to n+sod(n) for n = 738861096 and 738861105.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2198824 + ... + 2199159.

It is an arithmetic number, because the mean of its divisors is an integer number (65969760).

Almost surely, 2^738861144 is an apocalyptic number.

It is an amenable number.

738861144 is an abundant number, since it is smaller than the sum of its proper divisors (1372171176).

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

738861144 is a wasteful number, since it uses less digits than its factorization.

738861144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4397999 (or 4397995 counting only the distinct ones).

The product of its digits is 129024, while the sum is 42.

The square root of 738861144 is about 27182.0003678905. Note that the first 3 decimals coincide. The cubic root of 738861144 is about 904.0399224022.

The spelling of 738861144 in words is "seven hundred thirty-eight million, eight hundred sixty-one thousand, one hundred forty-four".