30461816 has 32 divisors (see below), whose sum is σ = 71210880. Its totient is φ = 11868000.

The previous prime is 30461801. The next prime is 30461819. The reversal of 30461816 is 61816403.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30461819) 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, 24110 + ... + 25341.

It is an arithmetic number, because the mean of its divisors is an integer number (2225340).

Almost surely, 2^30461816 is an apocalyptic number.

It is an amenable number.

30461816 is an abundant number, since it is smaller than the sum of its proper divisors (40749064).

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

30461816 is a wasteful number, since it uses less digits than its factorization.

30461816 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49475 (or 49471 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 29.

The square root of 30461816 is about 5519.2224089993. Note that the first 3 decimals coincide. The cubic root of 30461816 is about 312.3095492348.

The spelling of 30461816 in words is "thirty million, four hundred sixty-one thousand, eight hundred sixteen".