249499746 has 24 divisors (see below), whose sum is σ = 541028124. Its totient is φ = 83098080.

The previous prime is 249499729. The next prime is 249499753. The reversal of 249499746 is 647994942.

249499746 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 246647025 + 2852721 = 15705^2 + 1689^2 .

It is a junction number, because it is equal to n+sod(n) for n = 249499692 and 249499701.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 19840 + ... + 29876.

Almost surely, 2^249499746 is an apocalyptic number.

249499746 is an abundant number, since it is smaller than the sum of its proper divisors (291528378).

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

249499746 is a wasteful number, since it uses less digits than its factorization.

249499746 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11426 (or 11423 counting only the distinct ones).

The product of its digits is 3919104, while the sum is 54.

The square root of 249499746 is about 15795.5609586998. The cubic root of 249499746 is about 629.5400573385.

The spelling of 249499746 in words is "two hundred forty-nine million, four hundred ninety-nine thousand, seven hundred forty-six".