307899941 has 4 divisors (see below), whose sum is σ = 308031852. Its totient is φ = 307768032.

The previous prime is 307899923. The next prime is 307899983. The reversal of 307899941 is 149998703.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 149998703 = 37 ⋅4054019.

It can be written as a sum of positive squares in 2 ways, for example, as 224250625 + 83649316 = 14975^2 + 9146^2 .

It is a cyclic number.

It is not a de Polignac number, because 307899941 - 2⁶ = 307899877 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 307899941.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (307893941) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 62390 + ... + 67143.

It is an arithmetic number, because the mean of its divisors is an integer number (77007963).

Almost surely, 2^307899941 is an apocalyptic number.

It is an amenable number.

307899941 is a deficient number, since it is larger than the sum of its proper divisors (131911).

307899941 is a wasteful number, since it uses less digits than its factorization.

307899941 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 131910.

The product of its (nonzero) digits is 489888, while the sum is 50.

The square root of 307899941 is about 17547.0778478925. The cubic root of 307899941 is about 675.2582028193.

The spelling of 307899941 in words is "three hundred seven million, eight hundred ninety-nine thousand, nine hundred forty-one".