3906523 has 8 divisors (see below), whose sum is σ = 3983616. Its totient is φ = 3830400.

The previous prime is 3906493. The next prime is 3906541. The reversal of 3906523 is 3256093.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3906523 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3906491 and 3906500.

It is not an unprimeable number, because it can be changed into a prime (3906563) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20358 + ... + 20548.

It is an arithmetic number, because the mean of its divisors is an integer number (497952).

Almost surely, 2^3906523 is an apocalyptic number.

3906523 is a deficient number, since it is larger than the sum of its proper divisors (77093).

3906523 is a wasteful number, since it uses less digits than its factorization.

3906523 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 485.

The product of its (nonzero) digits is 4860, while the sum is 28.

The square root of 3906523 is about 1976.4926005427. The cubic root of 3906523 is about 157.4938000415.

The spelling of 3906523 in words is "three million, nine hundred six thousand, five hundred twenty-three".