38312330 has 32 divisors (see below), whose sum is σ = 79608960. Its totient is φ = 13003200.

The previous prime is 38312317. The next prime is 38312333. The reversal of 38312330 is 3321383.

It is a junction number, because it is equal to n+sod(n) for n = 38312296 and 38312305.

It is not an unprimeable number, because it can be changed into a prime (38312333) 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, 4361 + ... + 9779.

It is an arithmetic number, because the mean of its divisors is an integer number (2487780).

Almost surely, 2^38312330 is an apocalyptic number.

38312330 is an abundant number, since it is smaller than the sum of its proper divisors (41296630).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

38312330 is a wasteful number, since it uses less digits than its factorization.

38312330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5534.

The product of its (nonzero) digits is 1296, while the sum is 23.

The square root of 38312330 is about 6189.6954690841. The cubic root of 38312330 is about 337.1161213768.

The spelling of 38312330 in words is "thirty-eight million, three hundred twelve thousand, three hundred thirty".