3660526 has 4 divisors (see below), whose sum is σ = 5490792. Its totient is φ = 1830262.

The previous prime is 3660523. The next prime is 3660541. The reversal of 3660526 is 6250663.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 6250663 = 173 ⋅36131.

It is a junction number, because it is equal to n+sod(n) for n = 3660494 and 3660503.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3660523) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 915130 + ... + 915133.

It is an arithmetic number, because the mean of its divisors is an integer number (1372698).

Almost surely, 2^3660526 is an apocalyptic number.

3660526 is a deficient number, since it is larger than the sum of its proper divisors (1830266).

3660526 is a wasteful number, since it uses less digits than its factorization.

3660526 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1830265.

The product of its (nonzero) digits is 6480, while the sum is 28.

The square root of 3660526 is about 1913.2501143342. The cubic root of 3660526 is about 154.1160366818.

It can be divided in two parts, 3660 and 526, that added together give a triangular number (4186 = T₉₁).

The spelling of 3660526 in words is "three million, six hundred sixty thousand, five hundred twenty-six".