1713990 has 64 divisors (see below), whose sum is σ = 4515840. Its totient is φ = 414720.

The previous prime is 1713989. The next prime is 1713997. The reversal of 1713990 is 993171.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1713997) 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, 17622 + ... + 17718.

It is an arithmetic number, because the mean of its divisors is an integer number (70560).

2^1713990 is an apocalyptic number.

1713990 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 1713990, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2257920).

1713990 is an abundant number, since it is smaller than the sum of its proper divisors (2801850).

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

1713990 is a wasteful number, since it uses less digits than its factorization.

1713990 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 157.

The product of its (nonzero) digits is 1701, while the sum is 30.

The square root of 1713990 is about 1309.1944087873. The cubic root of 1713990 is about 119.6748140245.

The spelling of 1713990 in words is "one million, seven hundred thirteen thousand, nine hundred ninety".