3651244 has 12 divisors (see below), whose sum is σ = 6403768. Its totient is φ = 1821600.

The previous prime is 3651239. The next prime is 3651269. The reversal of 3651244 is 4421563.

It is a super-3 number, since 3×3651244³ (a number of 21 digits) contains 333 as substring.

It is a hoax number, since the sum of its digits (25) coincides with the sum of the digits of its distinct prime factors.

It is a plaindrome in base 13.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2104 + ... + 3424.

Almost surely, 2^3651244 is an apocalyptic number.

It is an amenable number.

3651244 is a deficient number, since it is larger than the sum of its proper divisors (2752524).

3651244 is a wasteful number, since it uses less digits than its factorization.

3651244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2016 (or 2014 counting only the distinct ones).

The product of its digits is 2880, while the sum is 25.

The square root of 3651244 is about 1910.8228593985. The cubic root of 3651244 is about 153.9856623521.

It can be divided in two parts, 36512 and 44, that multiplied together give a triangular number (1606528 = T₁₇₉₂).

The spelling of 3651244 in words is "three million, six hundred fifty-one thousand, two hundred forty-four".