30490834 has 8 divisors (see below), whose sum is σ = 49894128. Its totient is φ = 13859460.

The previous prime is 30490819. The next prime is 30490841. The reversal of 30490834 is 43809403.

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

It is a junction number, because it is equal to n+sod(n) for n = 30490796 and 30490805.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 692952 + ... + 692995.

It is an arithmetic number, because the mean of its divisors is an integer number (6236766).

Almost surely, 2^30490834 is an apocalyptic number.

30490834 is a deficient number, since it is larger than the sum of its proper divisors (19403294).

30490834 is a wasteful number, since it uses less digits than its factorization.

30490834 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1385960.

The product of its (nonzero) digits is 10368, while the sum is 31.

The square root of 30490834 is about 5521.8505955884. The cubic root of 30490834 is about 312.4086867073.

The spelling of 30490834 in words is "thirty million, four hundred ninety thousand, eight hundred thirty-four".