30263997 has 8 divisors (see below), whose sum is σ = 40380256. Its totient is φ = 20161872.

The previous prime is 30263993. The next prime is 30264011. The reversal of 30263997 is 79936203.

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

It is not a de Polignac number, because 30263997 - 2² = 30263993 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 (30263993) 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, 3423 + ... + 8499.

It is an arithmetic number, because the mean of its divisors is an integer number (5047532).

Almost surely, 2^30263997 is an apocalyptic number.

It is an amenable number.

30263997 is a deficient number, since it is larger than the sum of its proper divisors (10116259).

30263997 is a wasteful number, since it uses less digits than its factorization.

30263997 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7067.

The product of its (nonzero) digits is 61236, while the sum is 39.

The square root of 30263997 is about 5501.2723073849. The cubic root of 30263997 is about 311.6320345605.

The spelling of 30263997 in words is "thirty million, two hundred sixty-three thousand, nine hundred ninety-seven".