30490613 has 8 divisors (see below), whose sum is σ = 30932928. Its totient is φ = 30051424.

The previous prime is 30490591. The next prime is 30490637. The reversal of 30490613 is 31609403.

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

It is a cyclic number.

It is not a de Polignac number, because 30490613 - 2⁶ = 30490549 is a prime.

It is a super-2 number, since 2×30490613² = 1859354962231538, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30490013) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24320 + ... + 25542.

It is an arithmetic number, because the mean of its divisors is an integer number (3866616).

Almost surely, 2^30490613 is an apocalyptic number.

It is an amenable number.

30490613 is a deficient number, since it is larger than the sum of its proper divisors (442315).

30490613 is a wasteful number, since it uses less digits than its factorization.

30490613 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1563.

The product of its (nonzero) digits is 1944, while the sum is 26.

The square root of 30490613 is about 5521.8305841451. The cubic root of 30490613 is about 312.4079319178.

The spelling of 30490613 in words is "thirty million, four hundred ninety thousand, six hundred thirteen".