30540394 has 8 divisors (see below), whose sum is σ = 47288448. Its totient is φ = 14777580.

The previous prime is 30540371. The next prime is 30540401. The reversal of 30540394 is 49304503.

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

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, 246232 + ... + 246355.

It is an arithmetic number, because the mean of its divisors is an integer number (5911056).

Almost surely, 2^30540394 is an apocalyptic number.

30540394 is a deficient number, since it is larger than the sum of its proper divisors (16748054).

30540394 is a wasteful number, since it uses less digits than its factorization.

30540394 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 492620.

The product of its (nonzero) digits is 6480, while the sum is 28.

The square root of 30540394 is about 5526.3363994603. The cubic root of 30540394 is about 312.5778587867.

Adding to 30540394 its reverse (49304503), we get a palindrome (79844897).

The spelling of 30540394 in words is "thirty million, five hundred forty thousand, three hundred ninety-four".