3247641 has 8 divisors (see below), whose sum is σ = 4811360. Its totient is φ = 2165076.

The previous prime is 3247639. The next prime is 3247667. The reversal of 3247641 is 1467423.

It is not a de Polignac number, because 3247641 - 2¹ = 3247639 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27), and also a Moran number because the ratio is a prime number: 120283 = 3247641 / (3 + 2 + 4 + 7 + 6 + 4 + 1).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3247631) 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, 60115 + ... + 60168.

It is an arithmetic number, because the mean of its divisors is an integer number (601420).

Almost surely, 2^3247641 is an apocalyptic number.

It is an amenable number.

3247641 is a deficient number, since it is larger than the sum of its proper divisors (1563719).

3247641 is a wasteful number, since it uses less digits than its factorization.

3247641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 120292 (or 120286 counting only the distinct ones).

The product of its digits is 4032, while the sum is 27.

The square root of 3247641 is about 1802.1212500828. The cubic root of 3247641 is about 148.0889561395.

The spelling of 3247641 in words is "three million, two hundred forty-seven thousand, six hundred forty-one".