1162562838 has 8 divisors (see below), whose sum is σ = 2325125688. Its totient is φ = 387520944.

The previous prime is 1162562809. The next prime is 1162562839. The reversal of 1162562838 is 8382652611.

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

1162562838 is an admirable number.

It is a super-2 number, since 2×1162562838² = 2703104704597228488, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1162562838.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1162562839) 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, 96880231 + ... + 96880242.

It is an arithmetic number, because the mean of its divisors is an integer number (290640711).

Almost surely, 2^1162562838 is an apocalyptic number.

1162562838 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.

1162562838 is a wasteful number, since it uses less digits than its factorization.

1162562838 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 193760478.

The product of its digits is 138240, while the sum is 42.

The square root of 1162562838 is about 34096.3757311536. The cubic root of 1162562838 is about 1051.4908038771.

The spelling of 1162562838 in words is "one billion, one hundred sixty-two million, five hundred sixty-two thousand, eight hundred thirty-eight".