8402424 has 32 divisors (see below), whose sum is σ = 21306240. Its totient is φ = 2760800.

The previous prime is 8402419. The next prime is 8402453. The reversal of 8402424 is 4242048.

It is a Harshad number since it is a multiple of its sum of digits (24).

8402424 is a modest number, since divided by 2424 gives 840 as remainder.

It is a junction number, because it is equal to n+sod(n) for n = 8402394 and 8402403.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 762 + ... + 4169.

It is an arithmetic number, because the mean of its divisors is an integer number (665820).

Almost surely, 2^8402424 is an apocalyptic number.

It is an amenable number.

8402424 is an abundant number, since it is smaller than the sum of its proper divisors (12903816).

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

8402424 is a wasteful number, since it uses less digits than its factorization.

8402424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5011 (or 5007 counting only the distinct ones).

The product of its (nonzero) digits is 2048, while the sum is 24.

The square root of 8402424 is about 2898.6934988025. The cubic root of 8402424 is about 203.2988230123.

It can be divided in two parts, 84024 and 24, that added together give a palindrome (84048).

The spelling of 8402424 in words is "eight million, four hundred two thousand, four hundred twenty-four".