4249039 has 4 divisors (see below), whose sum is σ = 4282624. Its totient is φ = 4215456.

The previous prime is 4248991. The next prime is 4249067. The reversal of 4249039 is 9309424.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 4249039 - 2⁷ = 4248911 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 4249039.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4243039) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16602 + ... + 16855.

It is an arithmetic number, because the mean of its divisors is an integer number (1070656).

Almost surely, 2^4249039 is an apocalyptic number.

4249039 is a deficient number, since it is larger than the sum of its proper divisors (33585).

4249039 is a wasteful number, since it uses less digits than its factorization.

4249039 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33584.

The product of its (nonzero) digits is 7776, while the sum is 31.

The square root of 4249039 is about 2061.3197228960. The cubic root of 4249039 is about 161.9683802536.

It can be divided in two parts, 42490 and 39, that multiplied together give a triangular number (1657110 = T₁₈₂₀).

The spelling of 4249039 in words is "four million, two hundred forty-nine thousand, thirty-nine".