3539623 has 2 divisors, whose sum is σ = 3539624. Its totient is φ = 3539622.

The previous prime is 3539609. The next prime is 3539639. The reversal of 3539623 is 3269353.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3539623 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3539603) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1769811 + 1769812.

It is an arithmetic number, because the mean of its divisors is an integer number (1769812).

Almost surely, 2^3539623 is an apocalyptic number.

3539623 is a deficient number, since it is larger than the sum of its proper divisors (1).

3539623 is an equidigital number, since it uses as much as digits as its factorization.

3539623 is an evil number, because the sum of its binary digits is even.

The product of its digits is 14580, while the sum is 31.

The square root of 3539623 is about 1881.3885829355. The cubic root of 3539623 is about 152.4002465075.

The spelling of 3539623 in words is "three million, five hundred thirty-nine thousand, six hundred twenty-three".