4492240 has 40 divisors (see below), whose sum is σ = 10532808. Its totient is φ = 1781760.

The previous prime is 4492237. The next prime is 4492249. The reversal of 4492240 is 422944.

It can be written as a sum of positive squares in 4 ways, for example, as 379456 + 4112784 = 616^2 + 2028^2 .

It is a tau number, because it is divible by the number of its divisors (40).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4492249) 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, 18520 + ... + 18760.

Almost surely, 2^4492240 is an apocalyptic number.

4492240 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

4492240 is an abundant number, since it is smaller than the sum of its proper divisors (6040568).

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

4492240 is a wasteful number, since it uses less digits than its factorization.

4492240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 487 (or 481 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 25.

The square root of 4492240 is about 2119.4905048148. The cubic root of 4492240 is about 165.0014080076.

The spelling of 4492240 in words is "four million, four hundred ninety-two thousand, two hundred forty".