3538631 has 4 divisors (see below), whose sum is σ = 3542664. Its totient is φ = 3534600.

The previous prime is 3538627. The next prime is 3538649. The reversal of 3538631 is 1368353.

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: 1368353 = 7 ⋅195479.

It is a cyclic number.

It is not a de Polignac number, because 3538631 - 2² = 3538627 is a prime.

It is a super-2 number, since 2×3538631² = 25043818708322, which contains 22 as substring.

It is a Duffinian number.

It is a plaindrome in base 12.

It is a junction number, because it is equal to n+sod(n) for n = 3538594 and 3538603.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3538231) 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, 80 + ... + 2661.

It is an arithmetic number, because the mean of its divisors is an integer number (885666).

Almost surely, 2^3538631 is an apocalyptic number.

3538631 is a deficient number, since it is larger than the sum of its proper divisors (4033).

3538631 is a wasteful number, since it uses less digits than its factorization.

3538631 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4032.

The product of its digits is 6480, while the sum is 29.

The square root of 3538631 is about 1881.1249293973. The cubic root of 3538631 is about 152.3860081578.

The spelling of 3538631 in words is "three million, five hundred thirty-eight thousand, six hundred thirty-one".