3685278332 has 12 divisors (see below), whose sum is σ = 6449804256. Its totient is φ = 1842477120.

The previous prime is 3685278307. The next prime is 3685278353. The reversal of 3685278332 is 2338725863.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21053 + ... + 88395.

It is an arithmetic number, because the mean of its divisors is an integer number (537483688).

Almost surely, 2^3685278332 is an apocalyptic number.

It is an amenable number.

3685278332 is a deficient number, since it is larger than the sum of its proper divisors (2764525924).

3685278332 is a wasteful number, since it uses less digits than its factorization.

3685278332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81028 (or 81026 counting only the distinct ones).

The product of its digits is 1451520, while the sum is 47.

The square root of 3685278332 is about 60706.4933264968. The cubic root of 3685278332 is about 1544.6263214449.

The spelling of 3685278332 in words is "three billion, six hundred eighty-five million, two hundred seventy-eight thousand, three hundred thirty-two".