3812653 has 8 divisors (see below), whose sum is σ = 4123448. Its totient is φ = 3504384.

The previous prime is 3812651. The next prime is 3812657. The reversal of 3812653 is 3562183.

It can be written as a sum of positive squares in 4 ways, for example, as 669124 + 3143529 = 818^2 + 1773^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 3812653 - 2¹ = 3812651 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3812651) 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, 3601 + ... + 4537.

It is an arithmetic number, because the mean of its divisors is an integer number (515431).

Almost surely, 2^3812653 is an apocalyptic number.

It is an amenable number.

3812653 is a deficient number, since it is larger than the sum of its proper divisors (310795).

3812653 is a wasteful number, since it uses less digits than its factorization.

3812653 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1263.

The product of its digits is 4320, while the sum is 28.

The square root of 3812653 is about 1952.6015978689. The cubic root of 3812653 is about 156.2220839727. Note that the first 3 decimals are identical.

It can be divided in two parts, 3812 and 653, that added together give a triangular number (4465 = T₉₄).

The spelling of 3812653 in words is "three million, eight hundred twelve thousand, six hundred fifty-three".