30329090 has 16 divisors (see below), whose sum is σ = 59555520. Its totient is φ = 11028720.

The previous prime is 30329069. The next prime is 30329093. The reversal of 30329090 is 9092303.

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

It is not an unprimeable number, because it can be changed into a prime (30329093) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 137750 + ... + 137969.

It is an arithmetic number, because the mean of its divisors is an integer number (3722220).

Almost surely, 2^30329090 is an apocalyptic number.

30329090 is a deficient number, since it is larger than the sum of its proper divisors (29226430).

30329090 is a wasteful number, since it uses less digits than its factorization.

30329090 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 275737.

The product of its (nonzero) digits is 1458, while the sum is 26.

The square root of 30329090 is about 5507.1853064882. The cubic root of 30329090 is about 311.8552980648.

The spelling of 30329090 in words is "thirty million, three hundred twenty-nine thousand, ninety".