3705823 has 8 divisors (see below), whose sum is σ = 4182480. Its totient is φ = 3252480.

The previous prime is 3705799. The next prime is 3705827. The reversal of 3705823 is 3285073.

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

It is not a de Polignac number, because 3705823 - 2⁹ = 3705311 is a prime.

It is a Duffinian number.

3705823 is a lucky number.

It is a plaindrome in base 16.

It is a junction number, because it is equal to n+sod(n) for n = 3705791 and 3705800.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3705827) 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, 5490 + ... + 6127.

It is an arithmetic number, because the mean of its divisors is an integer number (522810).

Almost surely, 2^3705823 is an apocalyptic number.

3705823 is a deficient number, since it is larger than the sum of its proper divisors (476657).

3705823 is a wasteful number, since it uses less digits than its factorization.

3705823 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11657.

The product of its (nonzero) digits is 5040, while the sum is 28.

The square root of 3705823 is about 1925.0514278845. The cubic root of 3705823 is about 154.7491328662.

It can be divided in two parts, 3705 and 823, that multiplied together give a triangular number (3049215 = T₂₄₆₉).

The spelling of 3705823 in words is "three million, seven hundred five thousand, eight hundred twenty-three".