4249731 has 4 divisors (see below), whose sum is σ = 5666312. Its totient is φ = 2833152.

The previous prime is 4249723. The next prime is 4249741. The reversal of 4249731 is 1379424.

It is a happy number.

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

It is not a de Polignac number, because 4249731 - 2³ = 4249723 is a prime.

It is a super-2 number, since 2×4249731² = 36120427144722, which contains 22 as substring.

It is a D-number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4249741) 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, 708286 + ... + 708291.

It is an arithmetic number, because the mean of its divisors is an integer number (1416578).

Almost surely, 2^4249731 is an apocalyptic number.

4249731 is a deficient number, since it is larger than the sum of its proper divisors (1416581).

4249731 is a wasteful number, since it uses less digits than its factorization.

4249731 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1416580.

The product of its digits is 6048, while the sum is 30.

The square root of 4249731 is about 2061.4875696933. The cubic root of 4249731 is about 161.9771725189.

The spelling of 4249731 in words is "four million, two hundred forty-nine thousand, seven hundred thirty-one".