1161790 has 24 divisors (see below), whose sum is σ = 2433672. Its totient is φ = 398160.

The previous prime is 1161781. The next prime is 1161791. The reversal of 1161790 is 971611.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1161791) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 696 + ... + 1675.

It is an arithmetic number, because the mean of its divisors is an integer number (101403).

2^1161790 is an apocalyptic number.

1161790 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1161790 is an abundant number, since it is smaller than the sum of its proper divisors (1271882).

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

1161790 is a wasteful number, since it uses less digits than its factorization.

1161790 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2392 (or 2385 counting only the distinct ones).

The product of its (nonzero) digits is 378, while the sum is 25.

The square root of 1161790 is about 1077.8636277378. The cubic root of 1161790 is about 105.1257752048.

The spelling of 1161790 in words is "one million, one hundred sixty-one thousand, seven hundred ninety".