3720993 has 8 divisors (see below), whose sum is σ = 4972128. Its totient is φ = 2475264.

The previous prime is 3720989. The next prime is 3721027. The reversal of 3720993 is 3990273.

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

It is not a de Polignac number, because 3720993 - 2² = 3720989 is a prime.

It is a d-powerful number, because it can be written as 3¹³ + 7² + 2⁷ + 0 + 9³ + 9⁶ + 3¹³ .

It is not an unprimeable number, because it can be changed into a prime (3720923) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 705 + ... + 2817.

It is an arithmetic number, because the mean of its divisors is an integer number (621516).

Almost surely, 2^3720993 is an apocalyptic number.

It is an amenable number.

3720993 is a deficient number, since it is larger than the sum of its proper divisors (1251135).

3720993 is a wasteful number, since it uses less digits than its factorization.

3720993 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2703.

The product of its (nonzero) digits is 10206, while the sum is 33.

The square root of 3720993 is about 1928.9875582802. The cubic root of 3720993 is about 154.9600035546.

The spelling of 3720993 in words is "three million, seven hundred twenty thousand, nine hundred ninety-three".