1898704 has 10 divisors (see below), whose sum is σ = 3678770. Its totient is φ = 949344.

The previous prime is 1898693. The next prime is 1898711. The reversal of 1898704 is 4078981.

It can be written as a sum of positive squares in only one way, i.e., 1000000 + 898704 = 1000^2 + 948^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 59319 + ... + 59350.

It is an arithmetic number, because the mean of its divisors is an integer number (367877).

2^1898704 is an apocalyptic number.

It is an amenable number.

1898704 is a deficient number, since it is larger than the sum of its proper divisors (1780066).

1898704 is a wasteful number, since it uses less digits than its factorization.

1898704 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 118677 (or 118671 counting only the distinct ones).

The product of its (nonzero) digits is 16128, while the sum is 37.

The square root of 1898704 is about 1377.9346864057. The cubic root of 1898704 is about 123.8280655615.

The spelling of 1898704 in words is "one million, eight hundred ninety-eight thousand, seven hundred four".