1423946 has 4 divisors (see below), whose sum is σ = 2135922. Its totient is φ = 711972.

The previous prime is 1423943. The next prime is 1423949. The reversal of 1423946 is 6493241.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 6493241 = 37 ⋅175493.

It is an interprime number because it is at equal distance from previous prime (1423943) and next prime (1423949).

It can be written as a sum of positive squares in only one way, i.e., 1050625 + 373321 = 1025^2 + 611^2 .

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1423943) 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 as a sum of consecutive naturals, namely, 355985 + ... + 355988.

2^1423946 is an apocalyptic number.

1423946 is a deficient number, since it is larger than the sum of its proper divisors (711976).

1423946 is an equidigital number, since it uses as much as digits as its factorization.

1423946 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 711975.

The product of its digits is 5184, while the sum is 29.

The square root of 1423946 is about 1193.2920849482. The cubic root of 1423946 is about 112.5031044411.

The spelling of 1423946 in words is "one million, four hundred twenty-three thousand, nine hundred forty-six".