4636240 has 80 divisors (see below), whose sum is σ = 13070592. Its totient is φ = 1492992.

The previous prime is 4636237. The next prime is 4636243. The reversal of 4636240 is 426364.

It is an interprime number because it is at equal distance from previous prime (4636237) and next prime (4636243).

It is a tau number, because it is divible by the number of its divisors (80).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4636243) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9277 + ... + 9763.

Almost surely, 2^4636240 is an apocalyptic number.

4636240 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4636240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6535296).

4636240 is an abundant number, since it is smaller than the sum of its proper divisors (8434352).

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

4636240 is a wasteful number, since it uses less digits than its factorization.

4636240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 524 (or 518 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 25.

The square root of 4636240 is about 2153.1929778819. The cubic root of 4636240 is about 166.7459533868.

The spelling of 4636240 in words is "four million, six hundred thirty-six thousand, two hundred forty".