307942193 has 8 divisors (see below), whose sum is σ = 346049088. Its totient is φ = 271895184.

The previous prime is 307942153. The next prime is 307942211. The reversal of 307942193 is 391249703.

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 307942193 - 2¹⁴ = 307925809 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (307942153) 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, 514655 + ... + 515252.

It is an arithmetic number, because the mean of its divisors is an integer number (43256136).

Almost surely, 2^307942193 is an apocalyptic number.

It is an amenable number.

307942193 is a deficient number, since it is larger than the sum of its proper divisors (38106895).

307942193 is a wasteful number, since it uses less digits than its factorization.

307942193 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1029943.

The product of its (nonzero) digits is 40824, while the sum is 38.

The square root of 307942193 is about 17548.2817677401. The cubic root of 307942193 is about 675.2890891570.

The spelling of 307942193 in words is "three hundred seven million, nine hundred forty-two thousand, one hundred ninety-three".