3801397 has 4 divisors (see below), whose sum is σ = 3894156. Its totient is φ = 3708640.

The previous prime is 3801377. The next prime is 3801403. The reversal of 3801397 is 7931083.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 7931083 = 1381 ⋅5743.

It can be written as a sum of positive squares in 2 ways, for example, as 1745041 + 2056356 = 1321^2 + 1434^2 .

It is a cyclic number.

It is not a de Polignac number, because 3801397 - 2¹¹ = 3799349 is a prime.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3801367) 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, 46318 + ... + 46399.

It is an arithmetic number, because the mean of its divisors is an integer number (973539).

Almost surely, 2^3801397 is an apocalyptic number.

It is an amenable number.

3801397 is a deficient number, since it is larger than the sum of its proper divisors (92759).

3801397 is an equidigital number, since it uses as much as digits as its factorization.

3801397 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 92758.

The product of its (nonzero) digits is 4536, while the sum is 31.

The square root of 3801397 is about 1949.7171589746. The cubic root of 3801397 is about 156.0681955838.

The spelling of 3801397 in words is "three million, eight hundred one thousand, three hundred ninety-seven".