30393961 has 8 divisors (see below), whose sum is σ = 33051200. Its totient is φ = 27782352.

The previous prime is 30393953. The next prime is 30393973. The reversal of 30393961 is 16939303.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 30393961 - 2³ = 30393953 is a prime.

It is not an unprimeable number, because it can be changed into a prime (30393911) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10011 + ... + 12688.

It is an arithmetic number, because the mean of its divisors is an integer number (4131400).

Almost surely, 2^30393961 is an apocalyptic number.

It is an amenable number.

30393961 is a deficient number, since it is larger than the sum of its proper divisors (2657239).

30393961 is a wasteful number, since it uses less digits than its factorization.

30393961 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22815.

The product of its (nonzero) digits is 13122, while the sum is 34.

The square root of 30393961 is about 5513.0718297515. The cubic root of 30393961 is about 312.0774825369.

The spelling of 30393961 in words is "thirty million, three hundred ninety-three thousand, nine hundred sixty-one".