1420469 has 4 divisors (see below), whose sum is σ = 1504044. Its totient is φ = 1336896.

The previous prime is 1420429. The next prime is 1420483. The reversal of 1420469 is 9640241.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1322500 + 97969 = 1150^2 + 313^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1420469 is a prime.

It is a super-2 number, since 2×1420469² = 4035464359922, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a zygodrome in base 3.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1420429) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 41762 + ... + 41795.

It is an arithmetic number, because the mean of its divisors is an integer number (376011).

2^1420469 is an apocalyptic number.

It is an amenable number.

1420469 is a deficient number, since it is larger than the sum of its proper divisors (83575).

1420469 is an equidigital number, since it uses as much as digits as its factorization.

1420469 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 83574.

The product of its (nonzero) digits is 1728, while the sum is 26.

The square root of 1420469 is about 1191.8343005636. The cubic root of 1420469 is about 112.4114595527.

The spelling of 1420469 in words is "one million, four hundred twenty thousand, four hundred sixty-nine".