307438948 has 24 divisors (see below), whose sum is σ = 572673024. Its totient is φ = 143913600.

The previous prime is 307438919. The next prime is 307438961. The reversal of 307438948 is 849834703.

It is a junction number, because it is equal to n+sod(n) for n = 307438898 and 307438907.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1153 + ... + 24823.

It is an arithmetic number, because the mean of its divisors is an integer number (23861376).

Almost surely, 2^307438948 is an apocalyptic number.

It is an amenable number.

307438948 is a deficient number, since it is larger than the sum of its proper divisors (265234076).

307438948 is a wasteful number, since it uses less digits than its factorization.

307438948 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23883 (or 23881 counting only the distinct ones).

The product of its (nonzero) digits is 580608, while the sum is 46.

The square root of 307438948 is about 17533.9370365015. The cubic root of 307438948 is about 674.9210318227.

The spelling of 307438948 in words is "three hundred seven million, four hundred thirty-eight thousand, nine hundred forty-eight".