1925898 has 16 divisors (see below), whose sum is σ = 4148256. Its totient is φ = 592560.

The previous prime is 1925881. The next prime is 1925899. The reversal of 1925898 is 8985291.

It is a happy number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1925899) 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, 12268 + ... + 12423.

It is an arithmetic number, because the mean of its divisors is an integer number (259266).

2^1925898 is an apocalyptic number.

1925898 is an abundant number, since it is smaller than the sum of its proper divisors (2222358).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1925898 is a wasteful number, since it uses less digits than its factorization.

1925898 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24709.

The product of its digits is 51840, while the sum is 42.

The square root of 1925898 is about 1387.7672715553. The cubic root of 1925898 is about 124.4164372086.

The spelling of 1925898 in words is "one million, nine hundred twenty-five thousand, eight hundred ninety-eight".