3645862 has 8 divisors (see below), whose sum is σ = 5965992. Its totient is φ = 1657200.

The previous prime is 3645823. The next prime is 3645877. The reversal of 3645862 is 2685463.

It is a happy number.

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

It is a d-powerful number, because it can be written as 3⁶ + 6⁵ + 4⁶ + 5⁹ + 8 + 6⁸ + 2⁹ .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 82839 + ... + 82882.

It is an arithmetic number, because the mean of its divisors is an integer number (745749).

Almost surely, 2^3645862 is an apocalyptic number.

3645862 is a deficient number, since it is larger than the sum of its proper divisors (2320130).

3645862 is a wasteful number, since it uses less digits than its factorization.

3645862 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 165734.

The product of its digits is 34560, while the sum is 34.

The square root of 3645862 is about 1909.4140462456. The cubic root of 3645862 is about 153.9099659259.

It can be divided in two parts, 364 and 5862, that added together give a palindrome (6226).

The spelling of 3645862 in words is "three million, six hundred forty-five thousand, eight hundred sixty-two".