38304290 has 8 divisors (see below), whose sum is σ = 68947740. Its totient is φ = 15321712.

The previous prime is 38304283. The next prime is 38304293. The reversal of 38304290 is 9240383.

It can be written as a sum of positive squares in 2 ways, for example, as 37908649 + 395641 = 6157^2 + 629^2 .

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

It is not an unprimeable number, because it can be changed into a prime (38304293) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1915205 + ... + 1915224.

Almost surely, 2^38304290 is an apocalyptic number.

38304290 is a deficient number, since it is larger than the sum of its proper divisors (30643450).

38304290 is a wasteful number, since it uses less digits than its factorization.

38304290 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3830436.

The product of its (nonzero) digits is 5184, while the sum is 29.

The square root of 38304290 is about 6189.0459684833. The cubic root of 38304290 is about 337.0925379923.

The spelling of 38304290 in words is "thirty-eight million, three hundred four thousand, two hundred ninety".