1617441 has 12 divisors (see below), whose sum is σ = 2508912. Its totient is φ = 924168.

The previous prime is 1617439. The next prime is 1617443. The reversal of 1617441 is 1447161.

It is an interprime number because it is at equal distance from previous prime (1617439) and next prime (1617443).

It is not a de Polignac number, because 1617441 - 2¹ = 1617439 is a prime.

It is a super-2 number, since 2×1617441² = 5232230776962, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1617443) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5355 + ... + 5648.

It is an arithmetic number, because the mean of its divisors is an integer number (209076).

2^1617441 is an apocalyptic number.

It is an amenable number.

1617441 is a deficient number, since it is larger than the sum of its proper divisors (891471).

1617441 is a wasteful number, since it uses less digits than its factorization.

1617441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11020 (or 11013 counting only the distinct ones).

The product of its digits is 672, while the sum is 24.

The square root of 1617441 is about 1271.7865386927. The cubic root of 1617441 is about 117.3841562356.

The spelling of 1617441 in words is "one million, six hundred seventeen thousand, four hundred forty-one".