30387036 has 36 divisors (see below), whose sum is σ = 71920968. Its totient is φ = 9985248.

The previous prime is 30387017. The next prime is 30387079. The reversal of 30387036 is 63078303.

It is a happy number.

It is an alternating number because its digits alternate between odd and even.

It is a junction number, because it is equal to n+sod(n) for n = 30386994 and 30387012.

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, 193470 + ... + 193626.

Almost surely, 2^30387036 is an apocalyptic number.

It is an amenable number.

30387036 is an abundant number, since it is smaller than the sum of its proper divisors (41533932).

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

30387036 is a wasteful number, since it uses less digits than its factorization.

30387036 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 418 (or 289 counting only the distinct ones).

The product of its (nonzero) digits is 9072, while the sum is 30.

The square root of 30387036 is about 5512.4437412095. The cubic root of 30387036 is about 312.0537793554.

The spelling of 30387036 in words is "thirty million, three hundred eighty-seven thousand, thirty-six".