3729819 has 4 divisors (see below), whose sum is σ = 4973096. Its totient is φ = 2486544.

The previous prime is 3729809. The next prime is 3729853. The reversal of 3729819 is 9189273.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 3729819 - 2¹⁵ = 3697051 is a prime.

It is a super-2 number, since 2×3729819² = 27823099545522, which contains 22 as substring.

It is a D-number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3729809) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 621634 + ... + 621639.

It is an arithmetic number, because the mean of its divisors is an integer number (1243274).

Almost surely, 2^3729819 is an apocalyptic number.

3729819 is a deficient number, since it is larger than the sum of its proper divisors (1243277).

3729819 is a wasteful number, since it uses less digits than its factorization.

3729819 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1243276.

The product of its digits is 27216, while the sum is 39.

The square root of 3729819 is about 1931.2739318906. The cubic root of 3729819 is about 155.0824258096.

The spelling of 3729819 in words is "three million, seven hundred twenty-nine thousand, eight hundred nineteen".