1161438 has 8 divisors (see below), whose sum is σ = 2322888. Its totient is φ = 387144.

The previous prime is 1161437. The next prime is 1161439. The reversal of 1161438 is 8341611.

It is an interprime number because it is at equal distance from previous prime (1161437) and next prime (1161439).

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

1161438 is an admirable number.

It is a plaindrome in base 14.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1161437) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 96781 + ... + 96792.

It is an arithmetic number, because the mean of its divisors is an integer number (290361).

2^1161438 is an apocalyptic number.

1161438 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.

1161438 is a wasteful number, since it uses less digits than its factorization.

1161438 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 193578.

The product of its digits is 576, while the sum is 24.

The square root of 1161438 is about 1077.7003294052. The cubic root of 1161438 is about 105.1151571038.

The spelling of 1161438 in words is "one million, one hundred sixty-one thousand, four hundred thirty-eight".