1623141 has 12 divisors (see below), whose sum is σ = 2525068. Its totient is φ = 998784.

The previous prime is 1623137. The next prime is 1623157. The reversal of 1623141 is 1413261.

It is a happy number.

1623141 is a `hidden beast` number, since 1 + 623 + 1 + 41 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 476100 + 1147041 = 690^2 + 1071^2 .

It is not a de Polignac number, because 1623141 - 2² = 1623137 is a prime.

It is a zygodrome in base 12.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1623161) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6820 + ... + 7053.

2^1623141 is an apocalyptic number.

It is an amenable number.

1623141 is a deficient number, since it is larger than the sum of its proper divisors (901927).

1623141 is a wasteful number, since it uses less digits than its factorization.

1623141 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13892 (or 13889 counting only the distinct ones).

The product of its digits is 144, while the sum is 18.

The square root of 1623141 is about 1274.0255099487. The cubic root of 1623141 is about 117.5218851645.

It can be divided in two parts, 1623 and 141, that added together give a square (1764 = 42²).

The spelling of 1623141 in words is "one million, six hundred twenty-three thousand, one hundred forty-one".