1406998 has 4 divisors (see below), whose sum is σ = 2110500. Its totient is φ = 703498.

The previous prime is 1406983. The next prime is 1407011. The reversal of 1406998 is 8996041.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 351748 + ... + 351751.

It is an arithmetic number, because the mean of its divisors is an integer number (527625).

2^1406998 is an apocalyptic number.

1406998 is a deficient number, since it is larger than the sum of its proper divisors (703502).

1406998 is an equidigital number, since it uses as much as digits as its factorization.

1406998 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 703501.

The product of its (nonzero) digits is 15552, while the sum is 37.

The square root of 1406998 is about 1186.1694651271. The cubic root of 1406998 is about 112.0549793844.

The spelling of 1406998 in words is "one million, four hundred six thousand, nine hundred ninety-eight".