30814950 has 24 divisors (see below), whose sum is σ = 76421448. Its totient is φ = 8217280.

The previous prime is 30814919. The next prime is 30814981. The reversal of 30814950 is 5941803.

It is an interprime number because it is at equal distance from previous prime (30814919) and next prime (30814981).

It is a super-2 number, since 2×30814950² = 1899122287005000, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 102567 + ... + 102866.

It is an arithmetic number, because the mean of its divisors is an integer number (3184227).

Almost surely, 2^30814950 is an apocalyptic number.

30814950 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

30814950 is an abundant number, since it is smaller than the sum of its proper divisors (45606498).

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

30814950 is a wasteful number, since it uses less digits than its factorization.

30814950 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 205448 (or 205443 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 30.

The square root of 30814950 is about 5551.1215083080. The cubic root of 30814950 is about 313.5117501555.

The spelling of 30814950 in words is "thirty million, eight hundred fourteen thousand, nine hundred fifty".