4387397 has 4 divisors (see below), whose sum is σ = 5014176. Its totient is φ = 3760620.

The previous prime is 4387391. The next prime is 4387429. The reversal of 4387397 is 7937834.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 7937834 = 2 ⋅3968917.

It is a cyclic number.

It is not a de Polignac number, because 4387397 - 2²² = 193093 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4387391) 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, 313379 + ... + 313392.

It is an arithmetic number, because the mean of its divisors is an integer number (1253544).

Almost surely, 2^4387397 is an apocalyptic number.

It is an amenable number.

4387397 is a deficient number, since it is larger than the sum of its proper divisors (626779).

4387397 is an equidigital number, since it uses as much as digits as its factorization.

4387397 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 626778.

The product of its digits is 127008, while the sum is 41.

The square root of 4387397 is about 2094.6114198104. The cubic root of 4387397 is about 163.7076513840.

The spelling of 4387397 in words is "four million, three hundred eighty-seven thousand, three hundred ninety-seven".