4363640 has 48 divisors (see below), whose sum is σ = 10222200. Its totient is φ = 1675968.

The previous prime is 4363637. The next prime is 4363651. The reversal of 4363640 is 463634.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 73931 + ... + 73989.

Almost surely, 2^4363640 is an apocalyptic number.

4363640 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 4363640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5111100).

4363640 is an abundant number, since it is smaller than the sum of its proper divisors (5858560).

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

4363640 is a wasteful number, since it uses less digits than its factorization.

4363640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 156 (or 109 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 26.

The square root of 4363640 is about 2088.9327418565. The cubic root of 4363640 is about 163.4116335207.

The spelling of 4363640 in words is "four million, three hundred sixty-three thousand, six hundred forty".