8257494 has 32 divisors (see below), whose sum is σ = 18959616. Its totient is φ = 2348640.

The previous prime is 8257471. The next prime is 8257499. The reversal of 8257494 is 4947528.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8257499) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17449 + ... + 17915.

It is an arithmetic number, because the mean of its divisors is an integer number (592488).

Almost surely, 2^8257494 is an apocalyptic number.

8257494 is an abundant number, since it is smaller than the sum of its proper divisors (10702122).

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

8257494 is a wasteful number, since it uses less digits than its factorization.

8257494 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 900.

The product of its digits is 80640, while the sum is 39.

The square root of 8257494 is about 2873.5855651085. The cubic root of 8257494 is about 202.1231644400.

The spelling of 8257494 in words is "eight million, two hundred fifty-seven thousand, four hundred ninety-four".