4369840 has 20 divisors (see below), whose sum is σ = 10160064. Its totient is φ = 1747904.

The previous prime is 4369801. The next prime is 4369891. The reversal of 4369840 is 489634.

It is a tau number, because it is divible by the number of its divisors (20).

It is a junction number, because it is equal to n+sod(n) for n = 4369796 and 4369805.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 27232 + ... + 27391.

Almost surely, 2^4369840 is an apocalyptic number.

4369840 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

4369840 is an abundant number, since it is smaller than the sum of its proper divisors (5790224).

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

4369840 is a wasteful number, since it uses less digits than its factorization.

4369840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54636 (or 54630 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 34.

The square root of 4369840 is about 2090.4162264965. The cubic root of 4369840 is about 163.4889903961.

The spelling of 4369840 in words is "four million, three hundred sixty-nine thousand, eight hundred forty".