9400540 has 24 divisors (see below), whose sum is σ = 19901952. Its totient is φ = 3729600.

The previous prime is 9400519. The next prime is 9400571. The reversal of 9400540 is 450049.

9400540 = T₁₃₅ + T₁₃₆ + ... + T₃₈₈.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 690 + ... + 4390.

It is an arithmetic number, because the mean of its divisors is an integer number (829248).

Almost surely, 2^9400540 is an apocalyptic number.

It is an amenable number.

9400540 is an abundant number, since it is smaller than the sum of its proper divisors (10501412).

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

9400540 is a wasteful number, since it uses less digits than its factorization.

9400540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3837 (or 3835 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 22.

The square root of 9400540 is about 3066.0300063763. The cubic root of 9400540 is about 211.0494706671.

Adding to 9400540 its reverse (450049), we get a palindrome (9850589).

The spelling of 9400540 in words is "nine million, four hundred thousand, five hundred forty".