1623214 has 4 divisors (see below), whose sum is σ = 2434824. Its totient is φ = 811606.

The previous prime is 1623203. The next prime is 1623229. The reversal of 1623214 is 4123261.

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

It is a junction number, because it is equal to n+sod(n) for n = 1623191 and 1623200.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 405802 + ... + 405805.

It is an arithmetic number, because the mean of its divisors is an integer number (608706).

2^1623214 is an apocalyptic number.

1623214 is a deficient number, since it is larger than the sum of its proper divisors (811610).

1623214 is an equidigital number, since it uses as much as digits as its factorization.

1623214 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 811609.

The product of its digits is 288, while the sum is 19.

The square root of 1623214 is about 1274.0541589744. The cubic root of 1623214 is about 117.5236469685.

Adding to 1623214 its reverse (4123261), we get a palindrome (5746475).

The spelling of 1623214 in words is "one million, six hundred twenty-three thousand, two hundred fourteen".