3685534 has 4 divisors (see below), whose sum is σ = 5528304. Its totient is φ = 1842766.

The previous prime is 3685519. The next prime is 3685541. The reversal of 3685534 is 4355863.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 4355863 = 107 ⋅40709.

It is an Ulam number.

It is a d-powerful number, because it can be written as 3⁴ + 6⁸ + 8⁵ + 5 + 5⁹ + 3⁹ + 4⁴ .

It is a self number, because there is not a number n which added to its sum of digits gives 3685534.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 921382 + ... + 921385.

It is an arithmetic number, because the mean of its divisors is an integer number (1382076).

Almost surely, 2^3685534 is an apocalyptic number.

3685534 is a deficient number, since it is larger than the sum of its proper divisors (1842770).

3685534 is a wasteful number, since it uses less digits than its factorization.

3685534 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1842769.

The product of its digits is 43200, while the sum is 34.

The square root of 3685534 is about 1919.7744659204. The cubic root of 3685534 is about 154.4662040356.

The spelling of 3685534 in words is "three million, six hundred eighty-five thousand, five hundred thirty-four".