3205873 has 4 divisors (see below), whose sum is σ = 3497328. Its totient is φ = 2914420.

The previous prime is 3205871. The next prime is 3205879. The reversal of 3205873 is 3785023.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 3205873 - 2¹ = 3205871 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3205871) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 145711 + ... + 145732.

It is an arithmetic number, because the mean of its divisors is an integer number (874332).

Almost surely, 2^3205873 is an apocalyptic number.

It is an amenable number.

3205873 is a deficient number, since it is larger than the sum of its proper divisors (291455).

3205873 is a wasteful number, since it uses less digits than its factorization.

3205873 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 291454.

The product of its (nonzero) digits is 5040, while the sum is 28.

The square root of 3205873 is about 1790.4951829033. The cubic root of 3205873 is about 147.4513561706.

It can be divided in two parts, 32058 and 73, that added together give a triangular number (32131 = T₂₅₃).

The spelling of 3205873 in words is "three million, two hundred five thousand, eight hundred seventy-three".