4314640 has 40 divisors (see below), whose sum is σ = 10945728. Its totient is φ = 1568640.

The previous prime is 4314587. The next prime is 4314643. The reversal of 4314640 is 464134.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (40).

It is a super-2 number, since 2×4314640² = 37232236659200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is not an unprimeable number, because it can be changed into a prime (4314643) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1572 + ... + 3331.

Almost surely, 2^4314640 is an apocalyptic number.

4314640 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

4314640 is an abundant number, since it is smaller than the sum of its proper divisors (6631088).

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

4314640 is a wasteful number, since it uses less digits than its factorization.

4314640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4927 (or 4921 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 22.

The square root of 4314640 is about 2077.1711532755. The cubic root of 4314640 is about 162.7976713481.

Adding to 4314640 its reverse (464134), we get a palindrome (4778774).

The spelling of 4314640 in words is "four million, three hundred fourteen thousand, six hundred forty".