1613672 has 8 divisors (see below), whose sum is σ = 3025650. Its totient is φ = 806832.

The previous prime is 1613671. The next prime is 1613683. The reversal of 1613672 is 2763161.

It can be written as a sum of positive squares in only one way, i.e., 1473796 + 139876 = 1214^2 + 374^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is not an unprimeable number, because it can be changed into a prime (1613671) 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 as a sum of consecutive naturals, namely, 100847 + ... + 100862.

2^1613672 is an apocalyptic number.

It is an amenable number.

1613672 is a deficient number, since it is larger than the sum of its proper divisors (1411978).

1613672 is a wasteful number, since it uses less digits than its factorization.

1613672 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 201715 (or 201711 counting only the distinct ones).

The product of its digits is 1512, while the sum is 26.

The square root of 1613672 is about 1270.3039006474. The cubic root of 1613672 is about 117.2929081927.

The spelling of 1613672 in words is "one million, six hundred thirteen thousand, six hundred seventy-two".