8406992 has 40 divisors (see below), whose sum is σ = 18263712. Its totient is φ = 3715200.

The previous prime is 8406991. The next prime is 8407001. The reversal of 8406992 is 2996048.

8406992 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8406991) 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, 5867 + ... + 7157.

Almost surely, 2^8406992 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 8406992, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9131856).

8406992 is an abundant number, since it is smaller than the sum of its proper divisors (9856720).

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

8406992 is a wasteful number, since it uses less digits than its factorization.

8406992 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1347 (or 1341 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 38.

The square root of 8406992 is about 2899.4813329284. The cubic root of 8406992 is about 203.3356576521.

The spelling of 8406992 in words is "eight million, four hundred six thousand, nine hundred ninety-two".