1355046 has 48 divisors (see below), whose sum is σ = 3447360. Its totient is φ = 351120.

The previous prime is 1355021. The next prime is 1355047. The reversal of 1355046 is 6405531.

It is a super-2 number, since 2×1355046² = 3672299324232, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1355047) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3025 + ... + 3443.

It is an arithmetic number, because the mean of its divisors is an integer number (71820).

2^1355046 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1355046, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1723680).

1355046 is an abundant number, since it is smaller than the sum of its proper divisors (2092314).

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

1355046 is a wasteful number, since it uses less digits than its factorization.

1355046 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 449 (or 442 counting only the distinct ones).

The product of its (nonzero) digits is 1800, while the sum is 24.

The square root of 1355046 is about 1164.0644312065. The cubic root of 1355046 is about 110.6584746601.

The spelling of 1355046 in words is "one million, three hundred fifty-five thousand, forty-six".