248949590 has 16 divisors (see below), whose sum is σ = 471694320. Its totient is φ = 94338720.

The previous prime is 248949583. The next prime is 248949593. The reversal of 248949590 is 95949842.

It is a happy number.

It is a super-2 number, since 2×248949590² = 123951796722336200, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (248949593) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 654941 + ... + 655320.

It is an arithmetic number, because the mean of its divisors is an integer number (29480895).

Almost surely, 2^248949590 is an apocalyptic number.

248949590 is a deficient number, since it is larger than the sum of its proper divisors (222744730).

248949590 is a wasteful number, since it uses less digits than its factorization.

248949590 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1310287.

The product of its (nonzero) digits is 933120, while the sum is 50.

The square root of 248949590 is about 15778.1364552345. The cubic root of 248949590 is about 629.0769972545.

The spelling of 248949590 in words is "two hundred forty-eight million, nine hundred forty-nine thousand, five hundred ninety".