3720926 has 16 divisors (see below), whose sum is σ = 6447600. Its totient is φ = 1591680.

The previous prime is 3720923. The next prime is 3720929. The reversal of 3720926 is 6290273.

It is an interprime number because it is at equal distance from previous prime (3720923) and next prime (3720929).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3720923) 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 7 ways as a sum of consecutive naturals, for example, 4601 + ... + 5348.

It is an arithmetic number, because the mean of its divisors is an integer number (402975).

Almost surely, 2^3720926 is an apocalyptic number.

3720926 is a deficient number, since it is larger than the sum of its proper divisors (2726674).

3720926 is a wasteful number, since it uses less digits than its factorization.

3720926 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9979.

The product of its (nonzero) digits is 4536, while the sum is 29.

The square root of 3720926 is about 1928.9701915789. The cubic root of 3720926 is about 154.9590734818.

The spelling of 3720926 in words is "three million, seven hundred twenty thousand, nine hundred twenty-six".