309309094 has 16 divisors (see below), whose sum is σ = 488775600. Its totient is φ = 146397024.

The previous prime is 309309089. The next prime is 309309127. The reversal of 309309094 is 490903903.

It is a super-2 number, since 2×309309094² = 191344231262201672, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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, 60984 + ... + 65860.

It is an arithmetic number, because the mean of its divisors is an integer number (30548475).

Almost surely, 2^309309094 is an apocalyptic number.

309309094 is a deficient number, since it is larger than the sum of its proper divisors (179466506).

309309094 is a wasteful number, since it uses less digits than its factorization.

309309094 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6567.

The product of its (nonzero) digits is 26244, while the sum is 37.

The square root of 309309094 is about 17587.1855053616. The cubic root of 309309094 is about 676.2867774173.

The spelling of 309309094 in words is "three hundred nine million, three hundred nine thousand, ninety-four".