309090941 has 8 divisors (see below), whose sum is σ = 316255104. Its totient is φ = 301951360.

The previous prime is 309090931. The next prime is 309090959. The reversal of 309090941 is 149090903.

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

It is a cyclic number.

It is not a de Polignac number, because 309090941 - 2²⁶ = 241982077 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (309090931) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20621 + ... + 32301.

It is an arithmetic number, because the mean of its divisors is an integer number (39531888).

Almost surely, 2^309090941 is an apocalyptic number.

It is an amenable number.

309090941 is a deficient number, since it is larger than the sum of its proper divisors (7164163).

309090941 is a wasteful number, since it uses less digits than its factorization.

309090941 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12291.

The product of its (nonzero) digits is 8748, while the sum is 35.

The square root of 309090941 is about 17580.9823673195. The cubic root of 309090941 is about 676.1277469731.

The spelling of 309090941 in words is "three hundred nine million, ninety thousand, nine hundred forty-one".