3205249894 has 16 divisors (see below), whose sum is σ = 5994233856. Its totient is φ = 1248798600.

The previous prime is 3205249891. The next prime is 3205249919. The reversal of 3205249894 is 4989425023.

It is a super-2 number, since 2×3205249894² = 20547253765974022472, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3205249891) 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, 10406502 + ... + 10406809.

It is an arithmetic number, because the mean of its divisors is an integer number (374639616).

Almost surely, 2^3205249894 is an apocalyptic number.

3205249894 is a deficient number, since it is larger than the sum of its proper divisors (2788983962).

3205249894 is a wasteful number, since it uses less digits than its factorization.

3205249894 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20813331.

The product of its (nonzero) digits is 622080, while the sum is 46.

The square root of 3205249894 is about 56614.9264240447. The cubic root of 3205249894 is about 1474.4180247777.

The spelling of 3205249894 in words is "three billion, two hundred five million, two hundred forty-nine thousand, eight hundred ninety-four".