1151598 has 24 divisors (see below), whose sum is σ = 2679912. Its totient is φ = 328944.

The previous prime is 1151593. The next prime is 1151599. The reversal of 1151598 is 8951511.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1151593) 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, 1665 + ... + 2252.

It is an arithmetic number, because the mean of its divisors is an integer number (111663).

2^1151598 is an apocalyptic number.

1151598 is an abundant number, since it is smaller than the sum of its proper divisors (1528314).

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

1151598 is a wasteful number, since it uses less digits than its factorization.

1151598 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3936 (or 3929 counting only the distinct ones).

The product of its digits is 1800, while the sum is 30.

The square root of 1151598 is about 1073.1253421665. The cubic root of 1151598 is about 104.8174606224.

The spelling of 1151598 in words is "one million, one hundred fifty-one thousand, five hundred ninety-eight".