8158494 has 16 divisors (see below), whose sum is σ = 16351632. Its totient is φ = 2713728.

The previous prime is 8158489. The next prime is 8158499. The reversal of 8158494 is 4948518.

It is an interprime number because it is at equal distance from previous prime (8158489) and next prime (8158499).

It is a super-3 number, since 3×8158494³ (a number of 22 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8158499) 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, 2412 + ... + 4704.

It is an arithmetic number, because the mean of its divisors is an integer number (1021977).

Almost surely, 2^8158494 is an apocalyptic number.

8158494 is an abundant number, since it is smaller than the sum of its proper divisors (8193138).

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

8158494 is a wasteful number, since it uses less digits than its factorization.

8158494 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2891.

The product of its digits is 46080, while the sum is 39.

The square root of 8158494 is about 2856.3077565276. The cubic root of 8158494 is about 201.3121557431.

The spelling of 8158494 in words is "eight million, one hundred fifty-eight thousand, four hundred ninety-four".