1898995 has 24 divisors (see below), whose sum is σ = 2774304. Its totient is φ = 1241856.

The previous prime is 1898983. The next prime is 1899017. The reversal of 1898995 is 5998981.

It is a happy number.

It is not a de Polignac number, because 1898995 - 2⁷ = 1898867 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (49).

It is a Duffinian number.

It is a zygodrome in base 2.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5467 + ... + 5803.

It is an arithmetic number, because the mean of its divisors is an integer number (115596).

2^1898995 is an apocalyptic number.

1898995 is a deficient number, since it is larger than the sum of its proper divisors (875309).

1898995 is a wasteful number, since it uses less digits than its factorization.

1898995 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 379 (or 372 counting only the distinct ones).

The product of its digits is 233280, while the sum is 49.

The square root of 1898995 is about 1378.0402751734. The cubic root of 1898995 is about 123.8343913020.

The spelling of 1898995 in words is "one million, eight hundred ninety-eight thousand, nine hundred ninety-five".