1616039 has 2 divisors, whose sum is σ = 1616040. Its totient is φ = 1616038.

The previous prime is 1616033. The next prime is 1616047. The reversal of 1616039 is 9306161.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1616039 - 2¹⁶ = 1550503 is a prime.

It is a super-2 number, since 2×1616039² = 5223164099042, which contains 22 as substring.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 1615999 and 1616017.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1616033) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 808019 + 808020.

It is an arithmetic number, because the mean of its divisors is an integer number (808020).

2^1616039 is an apocalyptic number.

1616039 is a deficient number, since it is larger than the sum of its proper divisors (1).

1616039 is an equidigital number, since it uses as much as digits as its factorization.

1616039 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 972, while the sum is 26.

The square root of 1616039 is about 1271.2352260695. The cubic root of 1616039 is about 117.3502301840.

It can be divided in two parts, 161 and 6039, that multiplied together give a palindrome (972279).

The spelling of 1616039 in words is "one million, six hundred sixteen thousand, thirty-nine".