5249898 has 12 divisors (see below), whose sum is σ = 11374818. Its totient is φ = 1749960.

The previous prime is 5249897. The next prime is 5249903. The reversal of 5249898 is 8989425.

It can be written as a sum of positive squares in only one way, i.e., 5076009 + 173889 = 2253^2 + 417^2 .

It is a super-2 number, since 2×5249898² = 55122858020808, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (5249897) 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, 145813 + ... + 145848.

Almost surely, 2^5249898 is an apocalyptic number.

5249898 is an abundant number, since it is smaller than the sum of its proper divisors (6124920).

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

5249898 is a wasteful number, since it uses less digits than its factorization.

5249898 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 291669 (or 291666 counting only the distinct ones).

The product of its digits is 207360, while the sum is 45.

The square root of 5249898 is about 2291.2655891450. The cubic root of 5249898 is about 173.8002066665.

The spelling of 5249898 in words is "five million, two hundred forty-nine thousand, eight hundred ninety-eight".