4046440 has 16 divisors (see below), whose sum is σ = 9104580. Its totient is φ = 1618560.

The previous prime is 4046437. The next prime is 4046443. The reversal of 4046440 is 446404.

It is a happy number.

4046440 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (4046437) and next prime (4046443).

It can be written as a sum of positive squares in 2 ways, for example, as 3912484 + 133956 = 1978^2 + 366^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4046443) 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, 50541 + ... + 50620.

Almost surely, 2^4046440 is an apocalyptic number.

4046440 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

4046440 is an abundant number, since it is smaller than the sum of its proper divisors (5058140).

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

4046440 is a wasteful number, since it uses less digits than its factorization.

4046440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 101172 (or 101168 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 22.

The square root of 4046440 is about 2011.5764961840. The cubic root of 4046440 is about 159.3520671860.

It can be divided in two parts, 40464 and 40, that added together give a palindrome (40504).

The spelling of 4046440 in words is "four million, forty-six thousand, four hundred forty".