1409898 has 16 divisors (see below), whose sum is σ = 3222720. Its totient is φ = 402816.

The previous prime is 1409879. The next prime is 1409899. The reversal of 1409898 is 8989041.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1409899) 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, 16743 + ... + 16826.

It is an arithmetic number, because the mean of its divisors is an integer number (201420).

2^1409898 is an apocalyptic number.

1409898 is an abundant number, since it is smaller than the sum of its proper divisors (1812822).

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

1409898 is a wasteful number, since it uses less digits than its factorization.

1409898 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33581.

The product of its (nonzero) digits is 20736, while the sum is 39.

The square root of 1409898 is about 1187.3912581790. The cubic root of 1409898 is about 112.1319130249.

It can be divided in two parts, 14098 and 98, that added together give a triangular number (14196 = T₁₆₈).

The spelling of 1409898 in words is "one million, four hundred nine thousand, eight hundred ninety-eight".