4249836 has 18 divisors (see below), whose sum is σ = 10742732. Its totient is φ = 1416600.

The previous prime is 4249831. The next prime is 4249853. The reversal of 4249836 is 6389424.

It is a happy number.

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

It is a super-2 number, since 2×4249836² = 36122212053792, which contains 22 as substring.

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: 118051 = 4249836 / (4 + 2 + 4 + 9 + 8 + 3 + 6).

It is a d-powerful number, because it can be written as 4⁹ + 2²¹ + 4⁹ + 9 + 8⁵ + 3¹³ + 6⁴ .

It is a self number, because there is not a number n which added to its sum of digits gives 4249836.

It is not an unprimeable number, because it can be changed into a prime (4249831) 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, 58990 + ... + 59061.

Almost surely, 2^4249836 is an apocalyptic number.

It is an amenable number.

4249836 is an abundant number, since it is smaller than the sum of its proper divisors (6492896).

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

4249836 is a wasteful number, since it uses less digits than its factorization.

4249836 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 118061 (or 118056 counting only the distinct ones).

The product of its digits is 41472, while the sum is 36.

The square root of 4249836 is about 2061.5130365826. The cubic root of 4249836 is about 161.9785065220.

The spelling of 4249836 in words is "four million, two hundred forty-nine thousand, eight hundred thirty-six".