3622791 has 4 divisors (see below), whose sum is σ = 4830392. Its totient is φ = 2415192.

The previous prime is 3622789. The next prime is 3622811. The reversal of 3622791 is 1972263.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 3622791 - 2¹ = 3622789 is a prime.

It is a super-2 number, since 2×3622791² = 26249229259362, which contains 22 as substring.

It is a D-number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3622721) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 603796 + ... + 603801.

It is an arithmetic number, because the mean of its divisors is an integer number (1207598).

Almost surely, 2^3622791 is an apocalyptic number.

3622791 is a deficient number, since it is larger than the sum of its proper divisors (1207601).

3622791 is a wasteful number, since it uses less digits than its factorization.

3622791 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1207600.

The product of its digits is 4536, while the sum is 30.

The square root of 3622791 is about 1903.3630762416. The cubic root of 3622791 is about 153.5846315054.

The spelling of 3622791 in words is "three million, six hundred twenty-two thousand, seven hundred ninety-one".