1613380 has 12 divisors (see below), whose sum is σ = 3388140. Its totient is φ = 645344.

The previous prime is 1613371. The next prime is 1613393. The reversal of 1613380 is 833161.

It can be written as a sum of positive squares in 2 ways, for example, as 412164 + 1201216 = 642^2 + 1096^2 .

It is an Ulam number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 40315 + ... + 40354.

It is an arithmetic number, because the mean of its divisors is an integer number (282345).

2^1613380 is an apocalyptic number.

1613380 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1613380 is an abundant number, since it is smaller than the sum of its proper divisors (1774760).

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

1613380 is a wasteful number, since it uses less digits than its factorization.

1613380 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80678 (or 80676 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 22.

The square root of 1613380 is about 1270.1889623202. The cubic root of 1613380 is about 117.2858329021.

The spelling of 1613380 in words is "one million, six hundred thirteen thousand, three hundred eighty".