3685681254 has 32 divisors (see below), whose sum is σ = 7398678240. Its totient is φ = 1224018432.

The previous prime is 3685681177. The next prime is 3685681267. The reversal of 3685681254 is 4521865863.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3371532 + ... + 3372624.

It is an arithmetic number, because the mean of its divisors is an integer number (231208695).

Almost surely, 2^3685681254 is an apocalyptic number.

3685681254 is an abundant number, since it is smaller than the sum of its proper divisors (3712996986).

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

3685681254 is a wasteful number, since it uses less digits than its factorization.

3685681254 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2664.

The product of its digits is 1382400, while the sum is 48.

The square root of 3685681254 is about 60709.8118428974. The cubic root of 3685681254 is about 1544.6826121951.

The spelling of 3685681254 in words is "three billion, six hundred eighty-five million, six hundred eighty-one thousand, two hundred fifty-four".