1908897 has 8 divisors (see below), whose sum is σ = 2583456. Its totient is φ = 1253472.

The previous prime is 1908883. The next prime is 1908923. The reversal of 1908897 is 7988091.

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

It is not a de Polignac number, because 1908897 - 2⁷ = 1908769 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1908817) 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, 4548 + ... + 4949.

It is an arithmetic number, because the mean of its divisors is an integer number (322932).

2^1908897 is an apocalyptic number.

It is an amenable number.

1908897 is a deficient number, since it is larger than the sum of its proper divisors (674559).

1908897 is an equidigital number, since it uses as much as digits as its factorization.

1908897 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9567.

The product of its (nonzero) digits is 36288, while the sum is 42.

The square root of 1908897 is about 1381.6283870853. The cubic root of 1908897 is about 124.0492563592.

The spelling of 1908897 in words is "one million, nine hundred eight thousand, eight hundred ninety-seven".