309493094 has 8 divisors (see below), whose sum is σ = 464353560. Its totient is φ = 154708576.

The previous prime is 309493087. The next prime is 309493141. The reversal of 309493094 is 490394903.

It is a happy number.

309493094 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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

It is a congruent number.

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, 7379 + ... + 25950.

It is an arithmetic number, because the mean of its divisors is an integer number (58044195).

Almost surely, 2^309493094 is an apocalyptic number.

309493094 is a deficient number, since it is larger than the sum of its proper divisors (154860466).

309493094 is a wasteful number, since it uses less digits than its factorization.

309493094 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37974.

The product of its (nonzero) digits is 104976, while the sum is 41.

The square root of 309493094 is about 17592.4158090923. The cubic root of 309493094 is about 676.4208526868.

It can be divided in two parts, 30949 and 3094, that added together give a palindrome (34043).

The spelling of 309493094 in words is "three hundred nine million, four hundred ninety-three thousand, ninety-four".