3801506 has 12 divisors (see below), whose sum is σ = 6058338. Its totient is φ = 1788672.

The previous prime is 3801503. The next prime is 3801533. The reversal of 3801506 is 6051083.

It can be written as a sum of positive squares in 3 ways, for example, as 3575881 + 225625 = 1891^2 + 475^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3801503) 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, 2711 + ... + 3866.

Almost surely, 2^3801506 is an apocalyptic number.

3801506 is a deficient number, since it is larger than the sum of its proper divisors (2256832).

3801506 is a wasteful number, since it uses less digits than its factorization.

3801506 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6613 (or 6596 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 23.

The square root of 3801506 is about 1949.7451115466. The cubic root of 3801506 is about 156.0696872522.

Adding to 3801506 its reverse (6051083), we get a palindrome (9852589).

The spelling of 3801506 in words is "three million, eight hundred one thousand, five hundred six".