1400898 has 16 divisors (see below), whose sum is σ = 2822400. Its totient is φ = 463536.

The previous prime is 1400891. The next prime is 1400899. The reversal of 1400898 is 8980041.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (1400891) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 111 + ... + 1677.

It is an arithmetic number, because the mean of its divisors is an integer number (176400).

2^1400898 is an apocalyptic number.

1400898 is an abundant number, since it is smaller than the sum of its proper divisors (1421502).

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

1400898 is a wasteful number, since it uses less digits than its factorization.

1400898 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1721.

The product of its (nonzero) digits is 2304, while the sum is 30.

The square root of 1400898 is about 1183.5953700484. The cubic root of 1400898 is about 111.8928077309.

The spelling of 1400898 in words is "one million, four hundred thousand, eight hundred ninety-eight".