38331845 has 8 divisors (see below), whose sum is σ = 46039320. Its totient is φ = 30638080.

The previous prime is 38331829. The next prime is 38331857. The reversal of 38331845 is 54813383.

It can be written as a sum of positive squares in 4 ways, for example, as 410881 + 37920964 = 641^2 + 6158^2 .

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

It is not a de Polignac number, because 38331845 - 2⁴ = 38331829 is a prime.

It is a super-2 number, since 2×38331845² = 2938660682208050, which contains 22 as substring.

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, 4325 + ... + 9765.

It is an arithmetic number, because the mean of its divisors is an integer number (5754915).

Almost surely, 2^38331845 is an apocalyptic number.

It is an amenable number.

38331845 is a deficient number, since it is larger than the sum of its proper divisors (7707475).

38331845 is a wasteful number, since it uses less digits than its factorization.

38331845 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6855.

The product of its digits is 34560, while the sum is 35.

The square root of 38331845 is about 6191.2716787426. The cubic root of 38331845 is about 337.1733501629.

The spelling of 38331845 in words is "thirty-eight million, three hundred thirty-one thousand, eight hundred forty-five".