30649412 has 6 divisors (see below), whose sum is σ = 53636478. Its totient is φ = 15324704.

The previous prime is 30649403. The next prime is 30649417. The reversal of 30649412 is 21494603.

It can be written as a sum of positive squares in only one way, i.e., 30647296 + 2116 = 5536^2 + 46^2 .

It is not an unprimeable number, because it can be changed into a prime (30649417) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3831173 + ... + 3831180.

It is an arithmetic number, because the mean of its divisors is an integer number (8939413).

Almost surely, 2^30649412 is an apocalyptic number.

It is an amenable number.

30649412 is a deficient number, since it is larger than the sum of its proper divisors (22987066).

30649412 is a wasteful number, since it uses less digits than its factorization.

30649412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7662357 (or 7662355 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 29.

The square root of 30649412 is about 5536.1911094181. The cubic root of 30649412 is about 312.9493465309.

The spelling of 30649412 in words is "thirty million, six hundred forty-nine thousand, four hundred twelve".