30644097 has 48 divisors (see below), whose sum is σ = 48263040. Its totient is φ = 17248000.

The previous prime is 30644083. The next prime is 30644099. The reversal of 30644097 is 79044603.

It is a de Polignac number, because none of the positive numbers 2^k-30644097 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is not an unprimeable number, because it can be changed into a prime (30644099) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 431572 + ... + 431642.

It is an arithmetic number, because the mean of its divisors is an integer number (1005480).

Almost surely, 2^30644097 is an apocalyptic number.

It is an amenable number.

30644097 is a deficient number, since it is larger than the sum of its proper divisors (17618943).

30644097 is a wasteful number, since it uses less digits than its factorization.

30644097 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 166 (or 155 counting only the distinct ones).

The product of its (nonzero) digits is 18144, while the sum is 33.

The square root of 30644097 is about 5535.7110654369. The cubic root of 30644097 is about 312.9312556789.

The spelling of 30644097 in words is "thirty million, six hundred forty-four thousand, ninety-seven".