1623061 has 4 divisors (see below), whose sum is σ = 1770624. Its totient is φ = 1475500.

The previous prime is 1623059. The next prime is 1623071. The reversal of 1623061 is 1603261.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1623061 - 2¹ = 1623059 is a prime.

It is a Duffinian number.

It is a nialpdrome in base 12.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1623071) 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, 73765 + ... + 73786.

It is an arithmetic number, because the mean of its divisors is an integer number (442656).

2^1623061 is an apocalyptic number.

1623061 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1623061 is a deficient number, since it is larger than the sum of its proper divisors (147563).

1623061 is a wasteful number, since it uses less digits than its factorization.

1623061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 147562.

The product of its (nonzero) digits is 216, while the sum is 19.

The square root of 1623061 is about 1273.9941130162. The cubic root of 1623061 is about 117.5199543597.

It can be divided in two parts, 162 and 3061, that added together give a palindrome (3223).

The spelling of 1623061 in words is "one million, six hundred twenty-three thousand, sixty-one".