1356630 has 32 divisors (see below), whose sum is σ = 3552768. Its totient is φ = 328800.

The previous prime is 1356629. The next prime is 1356643. The reversal of 1356630 is 366531.

1356630 = T₂₂₆ + T₂₂₇ + ... + T₂₆₉.

It is an Ulam number.

It is a self number, because there is not a number n which added to its sum of digits gives 1356630.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1726 + ... + 2385.

It is an arithmetic number, because the mean of its divisors is an integer number (111024).

2^1356630 is an apocalyptic number.

1356630 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1356630 is an abundant number, since it is smaller than the sum of its proper divisors (2196138).

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

1356630 is a wasteful number, since it uses less digits than its factorization.

1356630 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4132.

The product of its (nonzero) digits is 1620, while the sum is 24.

The square root of 1356630 is about 1164.7446071994. The cubic root of 1356630 is about 110.7015764609.

Subtracting from 1356630 its reverse (366531), we obtain a palindrome (990099).

The spelling of 1356630 in words is "one million, three hundred fifty-six thousand, six hundred thirty".