307942 has 8 divisors (see below), whose sum is σ = 468000. Its totient is φ = 151944.

The previous prime is 307939. The next prime is 307969. The reversal of 307942 is 249703.

307942 is an esthetic number in base 5, because in such base its adjacent digits differ by 1.

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, 817 + ... + 1132.

It is an arithmetic number, because the mean of its divisors is an integer number (58500).

2³⁰⁷⁹⁴² is an apocalyptic number.

307942 is a deficient number, since it is larger than the sum of its proper divisors (160058).

307942 is a wasteful number, since it uses less digits than its factorization.

307942 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2030.

The product of its (nonzero) digits is 1512, while the sum is 25.

The square root of 307942 is about 554.9252201874. The cubic root of 307942 is about 67.5288948080.

The spelling of 307942 in words is "three hundred seven thousand, nine hundred forty-two".