3620943 has 14 divisors (see below), whose sum is σ = 5430024. Its totient is φ = 2413476.

The previous prime is 3620941. The next prime is 3620957. The reversal of 3620943 is 3490263.

3620943 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 3620943 - 2¹ = 3620941 is a prime.

It is a super-2 number, since 2×3620943² = 26222456418498, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3620941) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 13 ways as a sum of consecutive naturals, for example, 1755 + ... + 3212.

Almost surely, 2^3620943 is an apocalyptic number.

3620943 is a deficient number, since it is larger than the sum of its proper divisors (1809081).

3620943 is an frugal number, since it uses more digits than its factorization.

3620943 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4985 (or 4970 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 27.

The square root of 3620943 is about 1902.8775578055. The cubic root of 3620943 is about 153.5585123547.

The spelling of 3620943 in words is "three million, six hundred twenty thousand, nine hundred forty-three".