3720398 has 16 divisors (see below), whose sum is σ = 6120576. Its totient is φ = 1682040.

The previous prime is 3720397. The next prime is 3720401. The reversal of 3720398 is 8930273.

3720398 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×3720398² = 27682722556808, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3720391) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5465 + ... + 6107.

It is an arithmetic number, because the mean of its divisors is an integer number (382536).

Almost surely, 2^3720398 is an apocalyptic number.

3720398 is a deficient number, since it is larger than the sum of its proper divisors (2400178).

3720398 is a wasteful number, since it uses less digits than its factorization.

3720398 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 919.

The product of its (nonzero) digits is 9072, while the sum is 32.

The square root of 3720398 is about 1928.8333261327. The cubic root of 3720398 is about 154.9517435626.

The spelling of 3720398 in words is "three million, seven hundred twenty thousand, three hundred ninety-eight".