1613040 has 160 divisors (see below), whose sum is σ = 5999616. Its totient is φ = 353280.

The previous prime is 1613033. The next prime is 1613041. The reversal of 1613040 is 403161.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1613041) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 34297 + ... + 34343.

2^1613040 is an apocalyptic number.

1613040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1613040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2999808).

1613040 is an abundant number, since it is smaller than the sum of its proper divisors (4386576).

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

1613040 is a wasteful number, since it uses less digits than its factorization.

1613040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87 (or 81 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 15.

The square root of 1613040 is about 1270.0551169142. The cubic root of 1613040 is about 117.2775934742.

The spelling of 1613040 in words is "one million, six hundred thirteen thousand, forty".