248978692 has 6 divisors (see below), whose sum is σ = 435712718. Its totient is φ = 124489344.

The previous prime is 248978677. The next prime is 248978699. The reversal of 248978692 is 296879842.

248978692 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 179989056 + 68989636 = 13416^2 + 8306^2 .

It is not an unprimeable number, because it can be changed into a prime (248978699) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31122333 + ... + 31122340.

Almost surely, 2^248978692 is an apocalyptic number.

It is an amenable number.

248978692 is a deficient number, since it is larger than the sum of its proper divisors (186734026).

248978692 is a wasteful number, since it uses less digits than its factorization.

248978692 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62244677 (or 62244675 counting only the distinct ones).

The product of its digits is 3483648, while the sum is 55.

The square root of 248978692 is about 15779.0586537981. The cubic root of 248978692 is about 629.1015091586.

The spelling of 248978692 in words is "two hundred forty-eight million, nine hundred seventy-eight thousand, six hundred ninety-two".