3500849 has 4 divisors (see below), whose sum is σ = 3819120. Its totient is φ = 3182580.

The previous prime is 3500831. The next prime is 3500863. The reversal of 3500849 is 9480053.

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, and also an emirpimes, since its reverse is a distinct semiprime: 9480053 = 11 ⋅861823.

It is a cyclic number.

It is not a de Polignac number, because 3500849 - 2⁸ = 3500593 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3500869) 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, 159119 + ... + 159140.

It is an arithmetic number, because the mean of its divisors is an integer number (954780).

Almost surely, 2^3500849 is an apocalyptic number.

It is an amenable number.

3500849 is a deficient number, since it is larger than the sum of its proper divisors (318271).

3500849 is a wasteful number, since it uses less digits than its factorization.

3500849 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 318270.

The product of its (nonzero) digits is 4320, while the sum is 29.

The square root of 3500849 is about 1871.0555844229. The cubic root of 3500849 is about 151.8417240967.

The spelling of 3500849 in words is "three million, five hundred thousand, eight hundred forty-nine".