1161234396 has 72 divisors (see below), whose sum is σ = 3500550144. Its totient is φ = 317354400.

The previous prime is 1161234383. The next prime is 1161234409. The reversal of 1161234396 is 6934321611.

1161234396 is a `hidden beast` number, since 1 + 1 + 612 + 3 + 4 + 39 + 6 = 666.

It is an interprime number because it is at equal distance from previous prime (1161234383) and next prime (1161234409).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a nude number because it is divisible by every one of its digits.

It is a self number, because there is not a number n which added to its sum of digits gives 1161234396.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 94380 + ... + 105971.

It is an arithmetic number, because the mean of its divisors is an integer number (48618752).

Almost surely, 2^1161234396 is an apocalyptic number.

It is an amenable number.

1161234396 is an abundant number, since it is smaller than the sum of its proper divisors (2339315748).

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

1161234396 is a wasteful number, since it uses less digits than its factorization.

1161234396 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 200391 (or 200386 counting only the distinct ones).

The product of its digits is 23328, while the sum is 36.

The square root of 1161234396 is about 34076.8894707249. The cubic root of 1161234396 is about 1051.0901439760.

The spelling of 1161234396 in words is "one billion, one hundred sixty-one million, two hundred thirty-four thousand, three hundred ninety-six".