30486156 has 12 divisors (see below), whose sum is σ = 71134392. Its totient is φ = 10162048.

The previous prime is 30486121. The next prime is 30486161. The reversal of 30486156 is 65168403.

It is a tau number, because it is divible by the number of its divisors (12).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1270245 + ... + 1270268.

It is an arithmetic number, because the mean of its divisors is an integer number (5927866).

Almost surely, 2^30486156 is an apocalyptic number.

It is an amenable number.

30486156 is an abundant number, since it is smaller than the sum of its proper divisors (40648236).

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

30486156 is a wasteful number, since it uses less digits than its factorization.

30486156 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2540520 (or 2540518 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 33.

The square root of 30486156 is about 5521.4269894657. The cubic root of 30486156 is about 312.3927089812.

The spelling of 30486156 in words is "thirty million, four hundred eighty-six thousand, one hundred fifty-six".