3619801 has 4 divisors (see below), whose sum is σ = 3679204. Its totient is φ = 3560400.

The previous prime is 3619787. The next prime is 3619807. The reversal of 3619801 is 1089163.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1089163 = 151 ⋅7213.

It can be written as a sum of positive squares in 2 ways, for example, as 193600 + 3426201 = 440^2 + 1851^2 .

It is a cyclic number.

It is not a de Polignac number, because 3619801 - 2⁵ = 3619769 is a prime.

It is a Duffinian number.

3619801 is a lucky number.

It is a self number, because there is not a number n which added to its sum of digits gives 3619801.

It is not an unprimeable number, because it can be changed into a prime (3619807) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 29610 + ... + 29731.

It is an arithmetic number, because the mean of its divisors is an integer number (919801).

Almost surely, 2^3619801 is an apocalyptic number.

It is an amenable number.

3619801 is a deficient number, since it is larger than the sum of its proper divisors (59403).

3619801 is an equidigital number, since it uses as much as digits as its factorization.

3619801 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59402.

The product of its (nonzero) digits is 1296, while the sum is 28.

The square root of 3619801 is about 1902.5774622864. The cubic root of 3619801 is about 153.5423671811.

It can be divided in two parts, 361 and 9801, that multiplied together give a square (3538161 = 1881²).

The spelling of 3619801 in words is "three million, six hundred nineteen thousand, eight hundred one".