1616741 has 8 divisors (see below), whose sum is σ = 1874304. Its totient is φ = 1365840.

The previous prime is 1616723. The next prime is 1616749. The reversal of 1616741 is 1476161.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1616741 - 2⁶ = 1616677 is a prime.

It is a super-2 number, since 2×1616741² = 5227702922162, which contains 22 as substring.

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

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1616741.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1616749) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1130 + ... + 2123.

It is an arithmetic number, because the mean of its divisors is an integer number (234288).

2^1616741 is an apocalyptic number.

It is an amenable number.

1616741 is a deficient number, since it is larger than the sum of its proper divisors (257563).

1616741 is an equidigital number, since it uses as much as digits as its factorization.

1616741 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3331.

The product of its digits is 1008, while the sum is 26.

The square root of 1616741 is about 1271.5113054944. The cubic root of 1616741 is about 117.3672198598.

The spelling of 1616741 in words is "one million, six hundred sixteen thousand, seven hundred forty-one".