8405412 has 24 divisors (see below), whose sum is σ = 20766816. Its totient is φ = 2636928.

The previous prime is 8405407. The next prime is 8405417. The reversal of 8405412 is 2145048.

It is an interprime number because it is at equal distance from previous prime (8405407) and next prime (8405417).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8405417) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20398 + ... + 20805.

It is an arithmetic number, because the mean of its divisors is an integer number (865284).

Almost surely, 2^8405412 is an apocalyptic number.

It is an amenable number.

8405412 is an abundant number, since it is smaller than the sum of its proper divisors (12361404).

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

8405412 is a wasteful number, since it uses less digits than its factorization.

8405412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41227 (or 41225 counting only the distinct ones).

The product of its (nonzero) digits is 1280, while the sum is 24.

The square root of 8405412 is about 2899.2088576024. The cubic root of 8405412 is about 203.3229186341.

The spelling of 8405412 in words is "eight million, four hundred five thousand, four hundred twelve".