1427290 has 16 divisors (see below), whose sum is σ = 2618568. Its totient is φ = 559936.

The previous prime is 1427281. The next prime is 1427291. The reversal of 1427290 is 927241.

It can be written as a sum of positive squares in 4 ways, for example, as 1216609 + 210681 = 1103^2 + 459^2 .

It is not an unprimeable number, because it can be changed into a prime (1427291) 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, 817 + ... + 1876.

2^1427290 is an apocalyptic number.

1427290 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1427290 is a deficient number, since it is larger than the sum of its proper divisors (1191278).

1427290 is a wasteful number, since it uses less digits than its factorization.

1427290 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2753.

The product of its (nonzero) digits is 1008, while the sum is 25.

The square root of 1427290 is about 1194.6924290377. The cubic root of 1427290 is about 112.5911031589.

The spelling of 1427290 in words is "one million, four hundred twenty-seven thousand, two hundred ninety".