307977348 has 36 divisors (see below), whose sum is σ = 835940112. Its totient is φ = 87993360.

The previous prime is 307977347. The next prime is 307977353. The reversal of 307977348 is 843779703.

It is a happy number.

It is a super-2 number, since 2×307977348² = 189700093762226208, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 307977297 and 307977306.

It is not an unprimeable number, because it can be changed into a prime (307977347) 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 11 ways as a sum of consecutive naturals, for example, 261298 + ... + 262473.

Almost surely, 2^307977348 is an apocalyptic number.

It is an amenable number.

307977348 is an abundant number, since it is smaller than the sum of its proper divisors (527962764).

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

307977348 is a wasteful number, since it uses less digits than its factorization.

307977348 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 523792 (or 523783 counting only the distinct ones).

The product of its (nonzero) digits is 889056, while the sum is 48.

The square root of 307977348 is about 17549.2834041735. The cubic root of 307977348 is about 675.3147854133.

The spelling of 307977348 in words is "three hundred seven million, nine hundred seventy-seven thousand, three hundred forty-eight".