30248797 has 4 divisors (see below), whose sum is σ = 32028156. Its totient is φ = 28469440.

The previous prime is 30248789. The next prime is 30248809. The reversal of 30248797 is 79784203.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 79784203 = 67 ⋅1190809.

It can be written as a sum of positive squares in 2 ways, for example, as 26481316 + 3767481 = 5146^2 + 1941^2 .

It is a cyclic number.

It is not a de Polignac number, because 30248797 - 2³ = 30248789 is a prime.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30248717) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 889654 + ... + 889687.

It is an arithmetic number, because the mean of its divisors is an integer number (8007039).

Almost surely, 2^30248797 is an apocalyptic number.

It is an amenable number.

30248797 is a deficient number, since it is larger than the sum of its proper divisors (1779359).

30248797 is a wasteful number, since it uses less digits than its factorization.

30248797 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1779358.

The product of its (nonzero) digits is 84672, while the sum is 40.

The square root of 30248797 is about 5499.8906352763. The cubic root of 30248797 is about 311.5798537446.

The spelling of 30248797 in words is "thirty million, two hundred forty-eight thousand, seven hundred ninety-seven".