3622961 has 4 divisors (see below), whose sum is σ = 3627300. Its totient is φ = 3618624.

The previous prime is 3622951. The next prime is 3622963. The reversal of 3622961 is 1692263.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 1692263 = 839 ⋅2017.

It can be written as a sum of positive squares in 2 ways, for example, as 1062961 + 2560000 = 1031^2 + 1600^2 .

It is a cyclic number.

It is not a de Polignac number, because 3622961 - 2⁶ = 3622897 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (3622963) 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, 476 + ... + 2733.

It is an arithmetic number, because the mean of its divisors is an integer number (906825).

Almost surely, 2^3622961 is an apocalyptic number.

It is an amenable number.

3622961 is a deficient number, since it is larger than the sum of its proper divisors (4339).

3622961 is a wasteful number, since it uses less digits than its factorization.

3622961 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4338.

The product of its digits is 3888, while the sum is 29.

The square root of 3622961 is about 1903.4077335138. The cubic root of 3622961 is about 153.5870337950.

The spelling of 3622961 in words is "three million, six hundred twenty-two thousand, nine hundred sixty-one".