3669973 has 4 divisors (see below), whose sum is σ = 3683500. Its totient is φ = 3656448.

The previous prime is 3669961. The next prime is 3670001. The reversal of 3669973 is 3799663.

It is a happy number.

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 786769 + 2883204 = 887^2 + 1698^2 .

It is a 4-Lehmer number, since φ(3669973) divides (3669973-1)⁴.

It is a cyclic number.

It is not a de Polignac number, because 3669973 - 2¹³ = 3661781 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3669073) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6348 + ... + 6901.

It is an arithmetic number, because the mean of its divisors is an integer number (920875).

Almost surely, 2^3669973 is an apocalyptic number.

It is an amenable number.

3669973 is a deficient number, since it is larger than the sum of its proper divisors (13527).

3669973 is a wasteful number, since it uses less digits than its factorization.

3669973 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13526.

The product of its digits is 183708, while the sum is 43.

The square root of 3669973 is about 1915.7173591112. The cubic root of 3669973 is about 154.2485024814.

The spelling of 3669973 in words is "three million, six hundred sixty-nine thousand, nine hundred seventy-three".