3720356 has 6 divisors (see below), whose sum is σ = 6510630. Its totient is φ = 1860176.

The previous prime is 3720349. The next prime is 3720359. The reversal of 3720356 is 6530273.

It can be written as a sum of positive squares in only one way, i.e., 3297856 + 422500 = 1816^2 + 650^2 .

It is not an unprimeable number, because it can be changed into a prime (3720359) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 465041 + ... + 465048.

It is an arithmetic number, because the mean of its divisors is an integer number (1085105).

Almost surely, 2^3720356 is an apocalyptic number.

It is an amenable number.

3720356 is a deficient number, since it is larger than the sum of its proper divisors (2790274).

3720356 is a wasteful number, since it uses less digits than its factorization.

3720356 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 930093 (or 930091 counting only the distinct ones).

The product of its (nonzero) digits is 3780, while the sum is 26.

The square root of 3720356 is about 1928.8224386915. The cubic root of 3720356 is about 154.9511604711.

The spelling of 3720356 in words is "three million, seven hundred twenty thousand, three hundred fifty-six".