1356992 has 56 divisors (see below), whose sum is σ = 3328416. Its totient is φ = 534528.

The previous prime is 1356973. The next prime is 1357001. The reversal of 1356992 is 2996531.

It is a tau number, because it is divible by the number of its divisors (56).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5708 + ... + 5940.

It is an arithmetic number, because the mean of its divisors is an integer number (59436).

2^1356992 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1356992, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1664208).

1356992 is an abundant number, since it is smaller than the sum of its proper divisors (1971424).

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

1356992 is a wasteful number, since it uses less digits than its factorization.

1356992 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 265 (or 255 counting only the distinct ones).

The product of its digits is 14580, while the sum is 35.

The square root of 1356992 is about 1164.8999957078. The cubic root of 1356992 is about 110.7114220358.

The spelling of 1356992 in words is "one million, three hundred fifty-six thousand, nine hundred ninety-two".