1616442 has 16 divisors (see below), whose sum is σ = 3281952. Its totient is φ = 530640.

The previous prime is 1616437. The next prime is 1616443. The reversal of 1616442 is 2446161.

It is a super-2 number, since 2×1616442² = 5225769478728, which contains 22 as substring.

It is a plaindrome in base 13.

It is not an unprimeable number, because it can be changed into a prime (1616443) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1609 + ... + 2412.

It is an arithmetic number, because the mean of its divisors is an integer number (205122).

2^1616442 is an apocalyptic number.

1616442 is an abundant number, since it is smaller than the sum of its proper divisors (1665510).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1616442 is a wasteful number, since it uses less digits than its factorization.

1616442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4093.

The product of its digits is 1152, while the sum is 24.

The square root of 1616442 is about 1271.3937234390. The cubic root of 1616442 is about 117.3599841178.

The spelling of 1616442 in words is "one million, six hundred sixteen thousand, four hundred forty-two".