9401240 has 32 divisors (see below), whose sum is σ = 21379680. Its totient is φ = 3720192.

The previous prime is 9401233. The next prime is 9401243. The reversal of 9401240 is 421049.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9401243) by changing a digit.

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, 2669 + ... + 5091.

It is an arithmetic number, because the mean of its divisors is an integer number (668115).

Almost surely, 2^9401240 is an apocalyptic number.

It is an amenable number.

9401240 is an abundant number, since it is smaller than the sum of its proper divisors (11978440).

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

9401240 is a wasteful number, since it uses less digits than its factorization.

9401240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2531 (or 2527 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 20.

The square root of 9401240 is about 3066.1441583853. The cubic root of 9401240 is about 211.0547090528.

Adding to 9401240 its reverse (421049), we get a palindrome (9822289).

The spelling of 9401240 in words is "nine million, four hundred one thousand, two hundred forty".