1616941 has 4 divisors (see below), whose sum is σ = 1651392. Its totient is φ = 1582492.

The previous prime is 1616939. The next prime is 1616947. The reversal of 1616941 is 1496161.

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, and also an emirpimes, since its reverse is a distinct semiprime: 1496161 = 577 ⋅2593.

It is a cyclic number.

It is not a de Polignac number, because 1616941 - 2¹ = 1616939 is a prime.

It is a super-2 number, since 2×1616941² = 5228996394962, which contains 22 as substring.

It is an alternating number because its digits alternate between odd and even.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1616947) 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, 17155 + ... + 17248.

It is an arithmetic number, because the mean of its divisors is an integer number (412848).

2^1616941 is an apocalyptic number.

It is an amenable number.

1616941 is a deficient number, since it is larger than the sum of its proper divisors (34451).

1616941 is an equidigital number, since it uses as much as digits as its factorization.

1616941 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34450.

The product of its digits is 1296, while the sum is 28.

The square root of 1616941 is about 1271.5899496300. The cubic root of 1616941 is about 117.3720593230.

The spelling of 1616941 in words is "one million, six hundred sixteen thousand, nine hundred forty-one".