30488397 has 8 divisors (see below), whose sum is σ = 40683360. Its totient is φ = 20309520.

The previous prime is 30488387. The next prime is 30488411. The reversal of 30488397 is 79388403.

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

It is not a de Polignac number, because 30488397 - 2¹² = 30484301 is a prime.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30488357) 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, 1479 + ... + 7947.

It is an arithmetic number, because the mean of its divisors is an integer number (5085420).

Almost surely, 2^30488397 is an apocalyptic number.

It is an amenable number.

30488397 is a deficient number, since it is larger than the sum of its proper divisors (10194963).

30488397 is a wasteful number, since it uses less digits than its factorization.

30488397 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8043.

The product of its (nonzero) digits is 145152, while the sum is 42.

The square root of 30488397 is about 5521.6299224052. The cubic root of 30488397 is about 312.4003633288.

The spelling of 30488397 in words is "thirty million, four hundred eighty-eight thousand, three hundred ninety-seven".