1613144 has 16 divisors (see below), whose sum is σ = 3257520. Its totient is φ = 744480.

The previous prime is 1613141. The next prime is 1613149. The reversal of 1613144 is 4413161.

It is a super-3 number, since 3×1613144³ = 12593332384657469952, which contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1613141) 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, 7652 + ... + 7859.

It is an arithmetic number, because the mean of its divisors is an integer number (203595).

2^1613144 is an apocalyptic number.

It is an amenable number.

1613144 is an abundant number, since it is smaller than the sum of its proper divisors (1644376).

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

1613144 is a wasteful number, since it uses less digits than its factorization.

1613144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15530 (or 15526 counting only the distinct ones).

The product of its digits is 288, while the sum is 20.

The square root of 1613144 is about 1270.0960593593. The cubic root of 1613144 is about 117.2801138927.

The spelling of 1613144 in words is "one million, six hundred thirteen thousand, one hundred forty-four".