30496397 has 4 divisors (see below), whose sum is σ = 30656256. Its totient is φ = 30336540.

The previous prime is 30496393. The next prime is 30496439. The reversal of 30496397 is 79369403.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 30496397 - 2² = 30496393 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30496393) 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 3 ways as a sum of consecutive naturals, for example, 79643 + ... + 80024.

It is an arithmetic number, because the mean of its divisors is an integer number (7664064).

Almost surely, 2^30496397 is an apocalyptic number.

It is an amenable number.

30496397 is a deficient number, since it is larger than the sum of its proper divisors (159859).

30496397 is a wasteful number, since it uses less digits than its factorization.

30496397 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 159858.

The product of its (nonzero) digits is 122472, while the sum is 41.

The square root of 30496397 is about 5522.3542986665. The cubic root of 30496397 is about 312.4276850270.

The spelling of 30496397 in words is "thirty million, four hundred ninety-six thousand, three hundred ninety-seven".