3685694292 has 48 divisors (see below), whose sum is σ = 10920577920. Its totient is φ = 1053055296.

The previous prime is 3685694263. The next prime is 3685694297. The reversal of 3685694292 is 2924965863.

It is a happy number.

3685694292 is a `hidden beast` number, since 36 + 8 + 569 + 42 + 9 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3685694297) 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, 2436873 + ... + 2438384.

It is an arithmetic number, because the mean of its divisors is an integer number (227512040).

Almost surely, 2^3685694292 is an apocalyptic number.

It is an amenable number.

3685694292 is an abundant number, since it is smaller than the sum of its proper divisors (7234883628).

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

3685694292 is a wasteful number, since it uses less digits than its factorization.

3685694292 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4875277 (or 4875269 counting only the distinct ones).

The product of its digits is 5598720, while the sum is 54.

The square root of 3685694292 is about 60709.9192224796. The cubic root of 3685694292 is about 1544.6844336176.

The spelling of 3685694292 in words is "three billion, six hundred eighty-five million, six hundred ninety-four thousand, two hundred ninety-two".