4300640 has 24 divisors (see below), whose sum is σ = 10160640. Its totient is φ = 1720192.

The previous prime is 4300633. The next prime is 4300657. The reversal of 4300640 is 460034.

It is a congruent number.

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, 13280 + ... + 13599.

It is an arithmetic number, because the mean of its divisors is an integer number (423360).

Almost surely, 2^4300640 is an apocalyptic number.

4300640 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

4300640 is an abundant number, since it is smaller than the sum of its proper divisors (5860000).

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

4300640 is a wasteful number, since it uses less digits than its factorization.

4300640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26894 (or 26886 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 17.

The square root of 4300640 is about 2073.7984472942. The cubic root of 4300640 is about 162.6214004059.

Adding to 4300640 its reverse (460034), we get a palindrome (4760674).

Subtracting from 4300640 its reverse (460034), we obtain a triangular number (3840606 = T₂₇₇₁).

The spelling of 4300640 in words is "four million, three hundred thousand, six hundred forty".