30798061 has 4 divisors (see below), whose sum is σ = 35197792. Its totient is φ = 26398332.

The previous prime is 30798049. The next prime is 30798073. The reversal of 30798061 is 16089703.

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 an interprime number because it is at equal distance from previous prime (30798049) and next prime (30798073).

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-30798061 is a prime.

It is a super-2 number, since 2×30798061² = 1897041122719442, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30798161) 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, 2199855 + ... + 2199868.

It is an arithmetic number, because the mean of its divisors is an integer number (8799448).

Almost surely, 2^30798061 is an apocalyptic number.

It is an amenable number.

30798061 is a deficient number, since it is larger than the sum of its proper divisors (4399731).

30798061 is an equidigital number, since it uses as much as digits as its factorization.

30798061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4399730.

The product of its (nonzero) digits is 9072, while the sum is 34.

The square root of 30798061 is about 5549.6000756811. The cubic root of 30798061 is about 313.4544633776.

The spelling of 30798061 in words is "thirty million, seven hundred ninety-eight thousand, sixty-one".