1398956 has 12 divisors (see below), whose sum is σ = 2636592. Its totient is φ = 645648.

The previous prime is 1398911. The next prime is 1398967. The reversal of 1398956 is 6598931.

It is a plaindrome in base 16.

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, 13400 + ... + 13503.

It is an arithmetic number, because the mean of its divisors is an integer number (219716).

2^1398956 is an apocalyptic number.

It is an amenable number.

1398956 is a deficient number, since it is larger than the sum of its proper divisors (1237636).

1398956 is a wasteful number, since it uses less digits than its factorization.

1398956 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26920 (or 26918 counting only the distinct ones).

The product of its digits is 58320, while the sum is 41.

The square root of 1398956 is about 1182.7747038215. The cubic root of 1398956 is about 111.8410798823.

The spelling of 1398956 in words is "one million, three hundred ninety-eight thousand, nine hundred fifty-six".