4249869 has 8 divisors (see below), whose sum is σ = 6102432. Its totient is φ = 2615280.

The previous prime is 4249867. The next prime is 4249873. The reversal of 4249869 is 9689424.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 4249869 - 2¹ = 4249867 is a prime.

It is a super-2 number, since 2×4249869² = 36122773034322, which contains 22 as substring.

It is an Ulam number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 4249869.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4249867) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 54447 + ... + 54524.

It is an arithmetic number, because the mean of its divisors is an integer number (762804).

Almost surely, 2^4249869 is an apocalyptic number.

It is an amenable number.

4249869 is a deficient number, since it is larger than the sum of its proper divisors (1852563).

4249869 is a wasteful number, since it uses less digits than its factorization.

4249869 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 108987.

The product of its digits is 124416, while the sum is 42.

The square root of 4249869 is about 2061.5210403971. The cubic root of 4249869 is about 161.9789257756.

The spelling of 4249869 in words is "four million, two hundred forty-nine thousand, eight hundred sixty-nine".