38316290 has 16 divisors (see below), whose sum is σ = 69330168. Its totient is φ = 15246336.

The previous prime is 38316287. The next prime is 38316301. The reversal of 38316290 is 9261383.

It can be written as a sum of positive squares in 4 ways, for example, as 19193161 + 19123129 = 4381^2 + 4373^2 .

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, 7997 + ... + 11856.

Almost surely, 2^38316290 is an apocalyptic number.

38316290 is a deficient number, since it is larger than the sum of its proper divisors (31013878).

38316290 is a wasteful number, since it uses less digits than its factorization.

38316290 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20053.

The product of its (nonzero) digits is 7776, while the sum is 32.

The square root of 38316290 is about 6190.0153473154. The cubic root of 38316290 is about 337.1277358610.

The spelling of 38316290 in words is "thirty-eight million, three hundred sixteen thousand, two hundred ninety".