3608722 has 8 divisors (see below), whose sum is σ = 5829516. Its totient is φ = 1665552.

The previous prime is 3608713. The next prime is 3608729. The reversal of 3608722 is 2278063.

It can be written as a sum of positive squares in 2 ways, for example, as 3568321 + 40401 = 1889^2 + 201^2 .

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

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (3608729) 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, 69373 + ... + 69424.

Almost surely, 2^3608722 is an apocalyptic number.

3608722 is a deficient number, since it is larger than the sum of its proper divisors (2220794).

3608722 is a wasteful number, since it uses less digits than its factorization.

3608722 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 138812.

The product of its (nonzero) digits is 4032, while the sum is 28.

The square root of 3608722 is about 1899.6636544399. The cubic root of 3608722 is about 153.3855598190.

The spelling of 3608722 in words is "three million, six hundred eight thousand, seven hundred twenty-two".