3691562 has 24 divisors (see below), whose sum is σ = 6511680. Its totient is φ = 1564920.

The previous prime is 3691561. The next prime is 3691577. The reversal of 3691562 is 2651963.

It is a happy number.

It is a hoax number, since the sum of its digits (32) coincides with the sum of the digits of its distinct prime factors.

It is an Ulam number.

It is a d-powerful number, because it can be written as 3¹³ + 6² + 9 + 1 + 5 + 6² + 2²¹ .

It is not an unprimeable number, because it can be changed into a prime (3691561) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 13487 + ... + 13757.

It is an arithmetic number, because the mean of its divisors is an integer number (271320).

Almost surely, 2^3691562 is an apocalyptic number.

3691562 is a deficient number, since it is larger than the sum of its proper divisors (2820118).

3691562 is a wasteful number, since it uses less digits than its factorization.

3691562 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 426 (or 419 counting only the distinct ones).

The product of its digits is 9720, while the sum is 32.

The square root of 3691562 is about 1921.3438005729. The cubic root of 3691562 is about 154.5503723086.

It can be divided in two parts, 36915 and 62, that multiplied together give a triangular number (2288730 = T₂₁₃₉).

The spelling of 3691562 in words is "three million, six hundred ninety-one thousand, five hundred sixty-two".