8425854 has 48 divisors (see below), whose sum is σ = 19543680. Its totient is φ = 2615760.

The previous prime is 8425847. The next prime is 8425861. The reversal of 8425854 is 4585248.

It is an interprime number because it is at equal distance from previous prime (8425847) and next prime (8425861).

It is a d-powerful number, because it can be written as 8³ + 4 + 2²³ + 5⁴ + 8⁴ + 5⁶ + 4⁷ .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 24109 + ... + 24455.

It is an arithmetic number, because the mean of its divisors is an integer number (407160).

Almost surely, 2^8425854 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 8425854, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9771840).

8425854 is an abundant number, since it is smaller than the sum of its proper divisors (11117826).

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

8425854 is a wasteful number, since it uses less digits than its factorization.

8425854 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 445 (or 442 counting only the distinct ones).

The product of its digits is 51200, while the sum is 36.

The square root of 8425854 is about 2902.7321612577. The cubic root of 8425854 is about 203.4876126132.

Subtracting from 8425854 its reverse (4585248), we obtain a triangular number (3840606 = T₂₇₇₁).

The spelling of 8425854 in words is "eight million, four hundred twenty-five thousand, eight hundred fifty-four".