3642461 has 4 divisors (see below), whose sum is σ = 3656892. Its totient is φ = 3628032.

The previous prime is 3642451. The next prime is 3642467. The reversal of 3642461 is 1642463.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 3422500 + 219961 = 1850^2 + 469^2 .

It is a cyclic number.

It is not a de Polignac number, because 3642461 - 2¹⁰ = 3641437 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 3642461.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3642467) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6830 + ... + 7343.

It is an arithmetic number, because the mean of its divisors is an integer number (914223).

Almost surely, 2^3642461 is an apocalyptic number.

It is an amenable number.

3642461 is a deficient number, since it is larger than the sum of its proper divisors (14431).

3642461 is a wasteful number, since it uses less digits than its factorization.

3642461 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14430.

The product of its digits is 3456, while the sum is 26.

The square root of 3642461 is about 1908.5232511028. The cubic root of 3642461 is about 153.8620933293.

The spelling of 3642461 in words is "three million, six hundred forty-two thousand, four hundred sixty-one".