7854249 has 16 divisors (see below), whose sum is σ = 11584832. Its totient is φ = 4701888.

The previous prime is 7854241. The next prime is 7854269. The reversal of 7854249 is 9424587.

It is not a de Polignac number, because 7854249 - 2³ = 7854241 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a d-powerful number, because it can be written as 7⁷ + 8⁷ + 5⁵ + 4 + 2¹⁷ + 4⁷ + 9⁷ .

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (7854241) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1279 + ... + 4164.

It is an arithmetic number, because the mean of its divisors is an integer number (724052).

Almost surely, 2^7854249 is an apocalyptic number.

It is an amenable number.

7854249 is a deficient number, since it is larger than the sum of its proper divisors (3730583).

7854249 is a wasteful number, since it uses less digits than its factorization.

7854249 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5496.

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

The square root of 7854249 is about 2802.5433092104. The cubic root of 7854249 is about 198.7779565911. Note that the first 3 decimals are identical.

The spelling of 7854249 in words is "seven million, eight hundred fifty-four thousand, two hundred forty-nine".