3723999 has 16 divisors (see below), whose sum is σ = 5351424. Its totient is φ = 2296800.

The previous prime is 3723959. The next prime is 3724001. The reversal of 3723999 is 9993273.

It is not a de Polignac number, because 3723999 - 2⁷ = 3723871 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 3723999.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3723959) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1269 + ... + 3009.

It is an arithmetic number, because the mean of its divisors is an integer number (334464).

Almost surely, 2^3723999 is an apocalyptic number.

3723999 is a deficient number, since it is larger than the sum of its proper divisors (1627425).

3723999 is a wasteful number, since it uses less digits than its factorization.

3723999 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1798.

The product of its digits is 91854, while the sum is 42.

The square root of 3723999 is about 1929.7665661940. The cubic root of 3723999 is about 155.0017204110.

It can be divided in two parts, 372 and 3999, that added together give a triangular number (4371 = T₉₃).

The spelling of 3723999 in words is "three million, seven hundred twenty-three thousand, nine hundred ninety-nine".