1398396 has 12 divisors (see below), whose sum is σ = 3262952. Its totient is φ = 466128.

The previous prime is 1398367. The next prime is 1398401. The reversal of 1398396 is 6938931.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×1398396² = 3911022745632, which contains 22 as substring.

It is a plaindrome in base 16.

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, 58255 + ... + 58278.

2^1398396 is an apocalyptic number.

It is an amenable number.

1398396 is an abundant number, since it is smaller than the sum of its proper divisors (1864556).

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

1398396 is a wasteful number, since it uses less digits than its factorization.

1398396 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 116540 (or 116538 counting only the distinct ones).

The product of its digits is 34992, while the sum is 39.

The square root of 1398396 is about 1182.5379486511. The cubic root of 1398396 is about 111.8261546181.

The spelling of 1398396 in words is "one million, three hundred ninety-eight thousand, three hundred ninety-six".