738888891 has 16 divisors (see below), whose sum is σ = 1116810240. Its totient is φ = 430768800.

The previous prime is 738888877. The next prime is 738888893. The reversal of 738888891 is 198888837.

It is not a de Polignac number, because 738888891 - 2⁷ = 738888763 is a prime.

It is not an unprimeable number, because it can be changed into a prime (738888893) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 497835 + ... + 499316.

It is an arithmetic number, because the mean of its divisors is an integer number (69800640).

Almost surely, 2^738888891 is an apocalyptic number.

738888891 is a deficient number, since it is larger than the sum of its proper divisors (377921349).

738888891 is a wasteful number, since it uses less digits than its factorization.

738888891 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 997186.

The product of its digits is 6193152, while the sum is 60.

The square root of 738888891 is about 27182.5107559990. The cubic root of 738888891 is about 904.0512389542.

The spelling of 738888891 in words is "seven hundred thirty-eight million, eight hundred eighty-eight thousand, eight hundred ninety-one".