1356474 has 16 divisors (see below), whose sum is σ = 3100608. Its totient is φ = 387552.

The previous prime is 1356473. The next prime is 1356491. The reversal of 1356474 is 4746531.

It is an Ulam number.

It is a d-powerful number, because it can be written as 1 + 3¹² + 5³ + 6⁴ + 4 + 7⁷ + 4³ .

It is not an unprimeable number, because it can be changed into a prime (1356473) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 16107 + ... + 16190.

It is an arithmetic number, because the mean of its divisors is an integer number (193788).

2^1356474 is an apocalyptic number.

1356474 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

1356474 is an abundant number, since it is smaller than the sum of its proper divisors (1744134).

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

1356474 is a wasteful number, since it uses less digits than its factorization.

1356474 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32309.

The product of its digits is 10080, while the sum is 30.

The square root of 1356474 is about 1164.6776378037. The cubic root of 1356474 is about 110.6973330765.

It can be divided in two parts, 1356 and 474, that added together give a triangular number (1830 = T₆₀).

The spelling of 1356474 in words is "one million, three hundred fifty-six thousand, four hundred seventy-four".