3642658 has 8 divisors (see below), whose sum is σ = 5785452. Its totient is φ = 1714176.

The previous prime is 3642649. The next prime is 3642673. The reversal of 3642658 is 8562463.

It is a happy number.

3642658 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 3229209 + 413449 = 1797^2 + 643^2 .

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

It is a Harshad number since it is a multiple of its sum of digits (34), and also a Moran number because the ratio is a prime number: 107137 = 3642658 / (3 + 6 + 4 + 2 + 6 + 5 + 8).

It is a d-powerful number, because it can be written as 3⁸ + 6⁴ + 4 + 2¹¹ + 6⁸ + 5⁹ + 8 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 53535 + ... + 53602.

Almost surely, 2^3642658 is an apocalyptic number.

3642658 is a deficient number, since it is larger than the sum of its proper divisors (2142794).

3642658 is a wasteful number, since it uses less digits than its factorization.

3642658 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 107156.

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

The square root of 3642658 is about 1908.5748609892. The cubic root of 3642658 is about 153.8648671211.

The spelling of 3642658 in words is "three million, six hundred forty-two thousand, six hundred fifty-eight".