3654901 has 4 divisors (see below), whose sum is σ = 3666892. Its totient is φ = 3642912.

The previous prime is 3654883. The next prime is 3654913. The reversal of 3654901 is 1094563.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1094563 = 257 ⋅4259.

It can be written as a sum of positive squares in 2 ways, for example, as 1267876 + 2387025 = 1126^2 + 1545^2 .

It is a cyclic number.

It is not a de Polignac number, because 3654901 - 2⁹ = 3654389 is a prime.

It is an Ulam number.

It is an alternating number because its digits alternate between odd and even.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 3654901.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3654961) 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, 5526 + ... + 6151.

It is an arithmetic number, because the mean of its divisors is an integer number (916723).

Almost surely, 2^3654901 is an apocalyptic number.

It is an amenable number.

3654901 is a deficient number, since it is larger than the sum of its proper divisors (11991).

3654901 is a wasteful number, since it uses less digits than its factorization.

3654901 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11990.

The product of its (nonzero) digits is 3240, while the sum is 28.

The square root of 3654901 is about 1911.7795374990. The cubic root of 3654901 is about 154.0370546692.

The spelling of 3654901 in words is "three million, six hundred fifty-four thousand, nine hundred one".