30400094 has 4 divisors (see below), whose sum is σ = 45600144. Its totient is φ = 15200046.

The previous prime is 30400081. The next prime is 30400099. The reversal of 30400094 is 49000403.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30400099) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7600022 + ... + 7600025.

It is an arithmetic number, because the mean of its divisors is an integer number (11400036).

Almost surely, 2^30400094 is an apocalyptic number.

30400094 is a deficient number, since it is larger than the sum of its proper divisors (15200050).

30400094 is a wasteful number, since it uses less digits than its factorization.

30400094 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15200049.

The product of its (nonzero) digits is 432, while the sum is 20.

The square root of 30400094 is about 5513.6280251754. The cubic root of 30400094 is about 312.0984718214.

Adding to 30400094 its reverse (49000403), we get a palindrome (79400497).

The spelling of 30400094 in words is "thirty million, four hundred thousand, ninety-four".