8342040 has 64 divisors (see below), whose sum is σ = 28604160. Its totient is φ = 1906560.

The previous prime is 8342029. The next prime is 8342051. The reversal of 8342040 is 402438.

It is a happy number.

8342040 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (8342029) and next prime (8342051).

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a junction number, because it is equal to n+sod(n) for n = 8341998 and 8342016.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4126 + ... + 5805.

It is an arithmetic number, because the mean of its divisors is an integer number (446940).

Almost surely, 2^8342040 is an apocalyptic number.

It is an amenable number.

8342040 is an abundant number, since it is smaller than the sum of its proper divisors (20262120).

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

8342040 is a wasteful number, since it uses less digits than its factorization.

8342040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9952 (or 9948 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 21.

The square root of 8342040 is about 2888.2589911571. The cubic root of 8342040 is about 202.8106495503.

Adding to 8342040 its reverse (402438), we get a palindrome (8744478).

The spelling of 8342040 in words is "eight million, three hundred forty-two thousand, forty".