3687426 has 12 divisors (see below), whose sum is σ = 7989462. Its totient is φ = 1229136.

The previous prime is 3687421. The next prime is 3687427. The reversal of 3687426 is 6247863.

It can be written as a sum of positive squares in only one way, i.e., 3606201 + 81225 = 1899^2 + 285^2 .

It is a super-2 number, since 2×3687426² = 27194221010952, which contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (3687421) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 102411 + ... + 102446.

Almost surely, 2^3687426 is an apocalyptic number.

3687426 is an abundant number, since it is smaller than the sum of its proper divisors (4302036).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3687426 is a wasteful number, since it uses less digits than its factorization.

3687426 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 204865 (or 204862 counting only the distinct ones).

The product of its digits is 48384, while the sum is 36.

The square root of 3687426 is about 1920.2671689117. The cubic root of 3687426 is about 154.4926316906.

The spelling of 3687426 in words is "three million, six hundred eighty-seven thousand, four hundred twenty-six".