30350238 has 16 divisors (see below), whose sum is σ = 61846416. Its totient is φ = 9925760.

The previous prime is 30350231. The next prime is 30350251. The reversal of 30350238 is 83205303.

It is a super-2 number, since 2×30350238² = 1842273893313288, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30350231) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 47403 + ... + 48038.

It is an arithmetic number, because the mean of its divisors is an integer number (3865401).

Almost surely, 2^30350238 is an apocalyptic number.

30350238 is an abundant number, since it is smaller than the sum of its proper divisors (31496178).

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

30350238 is a wasteful number, since it uses less digits than its factorization.

30350238 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 95499.

The product of its (nonzero) digits is 2160, while the sum is 24.

The square root of 30350238 is about 5509.1050089829. The cubic root of 30350238 is about 311.9277651643.

The spelling of 30350238 in words is "thirty million, three hundred fifty thousand, two hundred thirty-eight".