3690201 has 4 divisors (see below), whose sum is σ = 4920272. Its totient is φ = 2460132.

The previous prime is 3690191. The next prime is 3690227. The reversal of 3690201 is 1020963.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 1020963 = 3 ⋅340321.

It is not a de Polignac number, because 3690201 - 2⁹ = 3689689 is a prime.

It is an Ulam number.

It is a D-number.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (3690251) 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, 615031 + ... + 615036.

It is an arithmetic number, because the mean of its divisors is an integer number (1230068).

Almost surely, 2^3690201 is an apocalyptic number.

It is an amenable number.

3690201 is a deficient number, since it is larger than the sum of its proper divisors (1230071).

3690201 is a wasteful number, since it uses less digits than its factorization.

3690201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1230070.

The product of its (nonzero) digits is 324, while the sum is 21.

The square root of 3690201 is about 1920.9895887276. The cubic root of 3690201 is about 154.5313768345.

The spelling of 3690201 in words is "three million, six hundred ninety thousand, two hundred one".