193879056 has 80 divisors (see below), whose sum is σ = 573963264. Its totient is φ = 55243392.

The previous prime is 193879031. The next prime is 193879057. The reversal of 193879056 is 650978391.

It is a super-2 number, since 2×193879056² = 75178176710902272, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a junction number, because it is equal to n+sod(n) for n = 193878996 and 193879014.

It is not an unprimeable number, because it can be changed into a prime (193879057) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 196741 + ... + 197723.

Almost surely, 2^193879056 is an apocalyptic number.

193879056 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 193879056, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (286981632).

193879056 is an abundant number, since it is smaller than the sum of its proper divisors (380084208).

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

193879056 is a wasteful number, since it uses less digits than its factorization.

193879056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1588 (or 1582 counting only the distinct ones).

The product of its (nonzero) digits is 408240, while the sum is 48.

The square root of 193879056 is about 13924.0459637276. The cubic root of 193879056 is about 578.7757132255.

The spelling of 193879056 in words is "one hundred ninety-three million, eight hundred seventy-nine thousand, fifty-six".