1478998 has 8 divisors (see below), whose sum is σ = 2335320. Its totient is φ = 700560.

The previous prime is 1478987. The next prime is 1478999. The reversal of 1478998 is 8998741.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1478999) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19423 + ... + 19498.

It is an arithmetic number, because the mean of its divisors is an integer number (291915).

2^1478998 is an apocalyptic number.

1478998 is a deficient number, since it is larger than the sum of its proper divisors (856322).

1478998 is a wasteful number, since it uses less digits than its factorization.

1478998 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38942.

The product of its digits is 145152, while the sum is 46.

The square root of 1478998 is about 1216.1406168696. The cubic root of 1478998 is about 113.9346604132.

The spelling of 1478998 in words is "one million, four hundred seventy-eight thousand, nine hundred ninety-eight".