3897305 has 8 divisors (see below), whose sum is σ = 4785792. Its totient is φ = 3045168.

The previous prime is 3897269. The next prime is 3897331. The reversal of 3897305 is 5037983.

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

It is a cyclic number.

It is not a de Polignac number, because 3897305 - 2⁶ = 3897241 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8849 + ... + 9278.

It is an arithmetic number, because the mean of its divisors is an integer number (598224).

Almost surely, 2^3897305 is an apocalyptic number.

It is an amenable number.

3897305 is a deficient number, since it is larger than the sum of its proper divisors (888487).

3897305 is a wasteful number, since it uses less digits than its factorization.

3897305 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18175.

The product of its (nonzero) digits is 22680, while the sum is 35.

The square root of 3897305 is about 1974.1593147464. The cubic root of 3897305 is about 157.3698260933.

The spelling of 3897305 in words is "three million, eight hundred ninety-seven thousand, three hundred five".