1298406 has 8 divisors (see below), whose sum is σ = 2596824. Its totient is φ = 432800.

The previous prime is 1298387. The next prime is 1298467. The reversal of 1298406 is 6048921.

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

1298406 is an admirable number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 108195 + ... + 108206.

It is an arithmetic number, because the mean of its divisors is an integer number (324603).

2^1298406 is an apocalyptic number.

1298406 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

1298406 is a wasteful number, since it uses less digits than its factorization.

1298406 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 216406.

The product of its (nonzero) digits is 3456, while the sum is 30.

The square root of 1298406 is about 1139.4761954512. The cubic root of 1298406 is about 109.0946628759.

The spelling of 1298406 in words is "one million, two hundred ninety-eight thousand, four hundred six".