1197879846 has 8 divisors (see below), whose sum is σ = 2395759704. Its totient is φ = 399293280.

The previous prime is 1197879817. The next prime is 1197879883. The reversal of 1197879846 is 6489787911.

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

1197879846 is an admirable number.

It is a super-2 number, since 2×1197879846² = 2869832250905967432, 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 1197879846.

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, 99823315 + ... + 99823326.

It is an arithmetic number, because the mean of its divisors is an integer number (299469963).

Almost surely, 2^1197879846 is an apocalyptic number.

1197879846 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.

1197879846 is a wasteful number, since it uses less digits than its factorization.

1197879846 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 199646646.

The product of its digits is 6096384, while the sum is 60.

The square root of 1197879846 is about 34610.4008355870. The cubic root of 1197879846 is about 1062.0323669651.

The spelling of 1197879846 in words is "one billion, one hundred ninety-seven million, eight hundred seventy-nine thousand, eight hundred forty-six".