308849948 has 24 divisors (see below), whose sum is σ = 624307824. Its totient is φ = 132128000.

The previous prime is 308849941. The next prime is 308849963. The reversal of 308849948 is 849948803.

It is a self number, because there is not a number n which added to its sum of digits gives 308849948.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (308849941) 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 7 ways as a sum of consecutive naturals, for example, 205703 + ... + 207198.

It is an arithmetic number, because the mean of its divisors is an integer number (26012826).

Almost surely, 2^308849948 is an apocalyptic number.

It is an amenable number.

308849948 is an abundant number, since it is smaller than the sum of its proper divisors (315457876).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

308849948 is a wasteful number, since it uses less digits than its factorization.

308849948 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 412933 (or 412931 counting only the distinct ones).

The product of its (nonzero) digits is 1990656, while the sum is 53.

The square root of 308849948 is about 17574.1272329524. The cubic root of 308849948 is about 675.9519794793.

The spelling of 308849948 in words is "three hundred eight million, eight hundred forty-nine thousand, nine hundred forty-eight".