30149836 has 12 divisors (see below), whose sum is σ = 53247040. Its totient is φ = 14936400.

The previous prime is 30149807. The next prime is 30149843. The reversal of 30149836 is 63894103.

It is a super-2 number, since 2×30149836² = 1818025221653792, which contains 22 as substring.

It is a hoax number, since the sum of its digits (34) coincides with the sum of the digits of its distinct prime factors.

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

It is a zygodrome in base 2.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 34140 + ... + 35011.

Almost surely, 2^30149836 is an apocalyptic number.

It is an amenable number.

30149836 is a deficient number, since it is larger than the sum of its proper divisors (23097204).

30149836 is a wasteful number, since it uses less digits than its factorization.

30149836 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69264 (or 69262 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 34.

The square root of 30149836 is about 5490.8866315013. The cubic root of 30149836 is about 311.2396976209.

The spelling of 30149836 in words is "thirty million, one hundred forty-nine thousand, eight hundred thirty-six".