8394642 has 12 divisors (see below), whose sum is σ = 18188430. Its totient is φ = 2798208.

The previous prime is 8394613. The next prime is 8394643. The reversal of 8394642 is 2464938.

It is a happy number.

8394642 is a `hidden beast` number, since 8 + 3 + 9 + 4 + 642 = 666.

It can be written as a sum of positive squares in only one way, i.e., 4968441 + 3426201 = 2229^2 + 1851^2 .

It is a d-powerful number, because it can be written as 8 + 3⁶ + 9³ + 4⁴ + 6³ + 4⁶ + 2²³ .

It is a junction number, because it is equal to n+sod(n) for n = 8394597 and 8394606.

It is not an unprimeable number, because it can be changed into a prime (8394643) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 233167 + ... + 233202.

Almost surely, 2^8394642 is an apocalyptic number.

8394642 is an abundant number, since it is smaller than the sum of its proper divisors (9793788).

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

8394642 is a wasteful number, since it uses less digits than its factorization.

8394642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 466377 (or 466374 counting only the distinct ones).

The product of its digits is 41472, while the sum is 36.

The square root of 8394642 is about 2897.3508589745. The cubic root of 8394642 is about 203.2360411250.

The spelling of 8394642 in words is "eight million, three hundred ninety-four thousand, six hundred forty-two".