307948 has 12 divisors (see below), whose sum is σ = 543312. Its totient is φ = 152720.

The previous prime is 307939. The next prime is 307969. The reversal of 307948 is 849703.

It is a happy 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, 438 + ... + 898.

It is an arithmetic number, because the mean of its divisors is an integer number (45276).

2³⁰⁷⁹⁴⁸ is an apocalyptic number.

It is an amenable number.

307948 is a deficient number, since it is larger than the sum of its proper divisors (235364).

307948 is a wasteful number, since it uses less digits than its factorization.

307948 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 632 (or 630 counting only the distinct ones).

The product of its (nonzero) digits is 6048, while the sum is 31.

The square root of 307948 is about 554.9306262949. The cubic root of 307948 is about 67.5293333870.

The spelling of 307948 in words is "three hundred seven thousand, nine hundred forty-eight".