3813502 has 16 divisors (see below), whose sum is σ = 7132032. Its totient is φ = 1485720.

The previous prime is 3813499. The next prime is 3813503. The reversal of 3813502 is 2053183.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3813503) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12228 + ... + 12535.

It is an arithmetic number, because the mean of its divisors is an integer number (445752).

Almost surely, 2^3813502 is an apocalyptic number.

3813502 is a deficient number, since it is larger than the sum of its proper divisors (3318530).

3813502 is a wasteful number, since it uses less digits than its factorization.

3813502 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24783.

The product of its (nonzero) digits is 720, while the sum is 22.

The square root of 3813502 is about 1952.8189880273. The cubic root of 3813502 is about 156.2336789352.

Adding to 3813502 its reverse (2053183), we get a palindrome (5866685).

It can be divided in two parts, 381 and 3502, that added together give a palindrome (3883).

The spelling of 3813502 in words is "three million, eight hundred thirteen thousand, five hundred two".