3667642 has 16 divisors (see below), whose sum is σ = 6142752. Its totient is φ = 1627920.

The previous prime is 3667637. The next prime is 3667669. The reversal of 3667642 is 2467663.

It is a d-powerful number, because it can be written as 3⁹ + 6⁷ + 6⁸ + 7³ + 6⁸ + 4⁴ + 2¹³ .

It is a junction number, because it is equal to n+sod(n) for n = 3667598 and 3667607.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 993 + ... + 2884.

It is an arithmetic number, because the mean of its divisors is an integer number (383922).

Almost surely, 2^3667642 is an apocalyptic number.

3667642 is a deficient number, since it is larger than the sum of its proper divisors (2475110).

3667642 is a wasteful number, since it uses less digits than its factorization.

3667642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3933.

The product of its digits is 36288, while the sum is 34.

The square root of 3667642 is about 1915.1088741897. The cubic root of 3667642 is about 154.2158383528.

It can be divided in two parts, 366 and 7642, that multiplied together give a palindrome (2796972).

The spelling of 3667642 in words is "three million, six hundred sixty-seven thousand, six hundred forty-two".