3245861 has 8 divisors (see below), whose sum is σ = 3452544. Its totient is φ = 3040960.

The previous prime is 3245857. The next prime is 3245897. The reversal of 3245861 is 1685423.

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

It is not a de Polignac number, because 3245861 - 2² = 3245857 is a prime.

It is a super-2 number, since 2×3245861² = 21071227262642, which contains 22 as substring.

It is a d-powerful number, because it can be written as 3¹³ + 2¹⁹ + 4¹⁰ + 5⁷ + 8³ + 6² + 1 .

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3245761) 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, 7106 + ... + 7548.

It is an arithmetic number, because the mean of its divisors is an integer number (431568).

Almost surely, 2^3245861 is an apocalyptic number.

It is an amenable number.

3245861 is a deficient number, since it is larger than the sum of its proper divisors (206683).

3245861 is a wasteful number, since it uses less digits than its factorization.

3245861 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 891.

The product of its digits is 5760, while the sum is 29.

The square root of 3245861 is about 1801.6273199527. The cubic root of 3245861 is about 148.0618958296.

The spelling of 3245861 in words is "three million, two hundred forty-five thousand, eight hundred sixty-one".