248836749 has 72 divisors (see below), whose sum is σ = 424271520. Its totient is φ = 128943360.

The previous prime is 248836703. The next prime is 248836759. The reversal of 248836749 is 947638842.

It is not a de Polignac number, because 248836749 - 2¹³ = 248828557 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (248836759) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 4695007 + ... + 4695059.

It is an arithmetic number, because the mean of its divisors is an integer number (5892660).

Almost surely, 2^248836749 is an apocalyptic number.

It is an amenable number.

248836749 is a deficient number, since it is larger than the sum of its proper divisors (175434771).

248836749 is a wasteful number, since it uses less digits than its factorization.

248836749 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 171 (or 123 counting only the distinct ones).

The product of its digits is 2322432, while the sum is 51.

The square root of 248836749 is about 15774.5601840432. The cubic root of 248836749 is about 628.9819359674.

The spelling of 248836749 in words is "two hundred forty-eight million, eight hundred thirty-six thousand, seven hundred forty-nine".