738142885 has 8 divisors (see below), whose sum is σ = 907375896. Its totient is φ = 576111360.

The previous prime is 738142861. The next prime is 738142919. The reversal of 738142885 is 588241837.

It can be written as a sum of positive squares in 4 ways, for example, as 857476 + 737285409 = 926^2 + 27153^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 738142885 - 2²¹ = 736045733 is a prime.

It is a super-2 number, since 2×738142885² = 1089709837352246450, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1800144 + ... + 1800553.

It is an arithmetic number, because the mean of its divisors is an integer number (113421987).

Almost surely, 2^738142885 is an apocalyptic number.

It is an amenable number.

738142885 is a deficient number, since it is larger than the sum of its proper divisors (169233011).

738142885 is a wasteful number, since it uses less digits than its factorization.

738142885 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3600743.

The product of its digits is 430080, while the sum is 46.

The square root of 738142885 is about 27168.7851219005. The cubic root of 738142885 is about 903.7468834285.

The spelling of 738142885 in words is "seven hundred thirty-eight million, one hundred forty-two thousand, eight hundred eighty-five".