248249412 has 18 divisors (see below), whose sum is σ = 627519438. Its totient is φ = 82749792.

The previous prime is 248249411. The next prime is 248249423. The reversal of 248249412 is 214942842.

It can be written as a sum of positive squares in only one way, i.e., 239816196 + 8433216 = 15486^2 + 2904^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a Harshad number since it is a multiple of its sum of digits (36), and also a Moran number because the ratio is a prime number: 6895817 = 248249412 / (2 + 4 + 8 + 2 + 4 + 9 + 4 + 1 + 2).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (248249411) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3447873 + ... + 3447944.

It is an arithmetic number, because the mean of its divisors is an integer number (34862191).

Almost surely, 2^248249412 is an apocalyptic number.

It is an amenable number.

248249412 is an abundant number, since it is smaller than the sum of its proper divisors (379270026).

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

248249412 is a wasteful number, since it uses less digits than its factorization.

248249412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6895827 (or 6895822 counting only the distinct ones).

The product of its digits is 36864, while the sum is 36.

The square root of 248249412 is about 15755.9325969617. The cubic root of 248249412 is about 628.4866776624.

The spelling of 248249412 in words is "two hundred forty-eight million, two hundred forty-nine thousand, four hundred twelve".