8406494 has 4 divisors (see below), whose sum is σ = 12609744. Its totient is φ = 4203246.

The previous prime is 8406481. The next prime is 8406509. The reversal of 8406494 is 4946048.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2101622 + ... + 2101625.

It is an arithmetic number, because the mean of its divisors is an integer number (3152436).

Almost surely, 2^8406494 is an apocalyptic number.

8406494 is a deficient number, since it is larger than the sum of its proper divisors (4203250).

8406494 is a wasteful number, since it uses less digits than its factorization.

8406494 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4203249.

The product of its (nonzero) digits is 27648, while the sum is 35.

The square root of 8406494 is about 2899.3954542283. The cubic root of 8406494 is about 203.3316426149.

The spelling of 8406494 in words is "eight million, four hundred six thousand, four hundred ninety-four".