1427320 has 32 divisors (see below), whose sum is σ = 3402000. Its totient is φ = 537088.

The previous prime is 1427297. The next prime is 1427323. The reversal of 1427320 is 237241.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1427323) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 370 + ... + 1729.

2^1427320 is an apocalyptic number.

1427320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1427320 is an abundant number, since it is smaller than the sum of its proper divisors (1974680).

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

1427320 is a wasteful number, since it uses less digits than its factorization.

1427320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2127 (or 2123 counting only the distinct ones).

The product of its (nonzero) digits is 336, while the sum is 19.

The square root of 1427320 is about 1194.7049845045. The cubic root of 1427320 is about 112.5918919987.

The spelling of 1427320 in words is "one million, four hundred twenty-seven thousand, three hundred twenty".