3631043 has 4 divisors (see below), whose sum is σ = 3910368. Its totient is φ = 3351720.

The previous prime is 3631039. The next prime is 3631073. The reversal of 3631043 is 3401363.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3401363 = 7 ⋅485909.

It is a cyclic number.

It is not a de Polignac number, because 3631043 - 2² = 3631039 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3631073) 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, 139643 + ... + 139668.

It is an arithmetic number, because the mean of its divisors is an integer number (977592).

Almost surely, 2^3631043 is an apocalyptic number.

3631043 is a deficient number, since it is larger than the sum of its proper divisors (279325).

3631043 is a wasteful number, since it uses less digits than its factorization.

3631043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 279324.

The product of its (nonzero) digits is 648, while the sum is 20.

The square root of 3631043 is about 1905.5295851810. The cubic root of 3631043 is about 153.7011548631.

The spelling of 3631043 in words is "three million, six hundred thirty-one thousand, forty-three".