1364420 has 24 divisors (see below), whose sum is σ = 3034584. Its totient is φ = 513536.

The previous prime is 1364417. The next prime is 1364423. The reversal of 1364420 is 244631.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (1364417) and next prime (1364423).

It can be written as a sum of positive squares in 4 ways, for example, as 506944 + 857476 = 712^2 + 926^2 .

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 1364392 and 1364401.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1364423) 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, 1667 + ... + 2346.

It is an arithmetic number, because the mean of its divisors is an integer number (126441).

2^1364420 is an apocalyptic number.

1364420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1364420 is an abundant number, since it is smaller than the sum of its proper divisors (1670164).

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

1364420 is a wasteful number, since it uses less digits than its factorization.

1364420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4039 (or 4037 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 20.

The square root of 1364420 is about 1168.0839010961. The cubic root of 1364420 is about 110.9130612702.

The spelling of 1364420 in words is "one million, three hundred sixty-four thousand, four hundred twenty".