9313840 has 20 divisors (see below), whose sum is σ = 21654864. Its totient is φ = 3725504.

The previous prime is 9313823. The next prime is 9313853. The reversal of 9313840 is 483139.

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 = 9313799 and 9313808.

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, 58132 + ... + 58291.

Almost surely, 2^9313840 is an apocalyptic number.

It is an amenable number.

9313840 is an abundant number, since it is smaller than the sum of its proper divisors (12341024).

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

9313840 is a wasteful number, since it uses less digits than its factorization.

9313840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 116436 (or 116430 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 28.

The square root of 9313840 is about 3051.8584501906. The cubic root of 9313840 is about 210.3986381094.

Adding to 9313840 its reverse (483139), we get a palindrome (9796979).

It can be divided in two parts, 9313 and 840, that added together give a triangular number (10153 = T₁₄₂).

The spelling of 9313840 in words is "nine million, three hundred thirteen thousand, eight hundred forty".