1163958 has 8 divisors (see below), whose sum is σ = 2327928. Its totient is φ = 387984.

The previous prime is 1163947. The next prime is 1163969. The reversal of 1163958 is 8593611.

It is an interprime number because it is at equal distance from previous prime (1163947) and next prime (1163969).

It is a sphenic number, since it is the product of 3 distinct primes.

1163958 is an admirable number.

It is a congruent 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, 96991 + ... + 97002.

It is an arithmetic number, because the mean of its divisors is an integer number (290991).

2^1163958 is an apocalyptic number.

1163958 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

1163958 is a wasteful number, since it uses less digits than its factorization.

1163958 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 193998.

The product of its digits is 6480, while the sum is 33.

The square root of 1163958 is about 1078.8688520854. The cubic root of 1163958 is about 105.1911258158.

It can be divided in two parts, 116395 and 8, that added together give a triangular number (116403 = T₄₈₂).

The spelling of 1163958 in words is "one million, one hundred sixty-three thousand, nine hundred fifty-eight".