8390046 has 32 divisors (see below), whose sum is σ = 19699200. Its totient is φ = 2331936.

The previous prime is 8390029. The next prime is 8390047. The reversal of 8390046 is 6400938.

It is a junction number, because it is equal to n+sod(n) for n = 8389995 and 8390022.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8390047) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1146 + ... + 4253.

It is an arithmetic number, because the mean of its divisors is an integer number (615600).

Almost surely, 2^8390046 is an apocalyptic number.

8390046 is an abundant number, since it is smaller than the sum of its proper divisors (11309154).

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

8390046 is a wasteful number, since it uses less digits than its factorization.

8390046 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5448.

The product of its (nonzero) digits is 5184, while the sum is 30.

The square root of 8390046 is about 2896.5576120630. The cubic root of 8390046 is about 203.1989443132.

The spelling of 8390046 in words is "eight million, three hundred ninety thousand, forty-six".