919471104 has 264 divisors, whose sum is σ = 2873988000. Its totient is φ = 282230784.

The previous prime is 919471099. The next prime is 919471109. The reversal of 919471104 is 401174919.

It is an interprime number because it is at equal distance from previous prime (919471099) and next prime (919471109).

It is a super-2 number, since 2×919471104² = 1690854222181957632, which contains 22 as substring.

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

It is not an unprimeable number, because it can be changed into a prime (919471109) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 10331092 + ... + 10331180.

Almost surely, 2^919471104 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 919471104, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1436994000).

919471104 is an abundant number, since it is smaller than the sum of its proper divisors (1954516896).

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

919471104 is a wasteful number, since it uses less digits than its factorization.

919471104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 193 (or 172 counting only the distinct ones).

The product of its (nonzero) digits is 9072, while the sum is 36.

The square root of 919471104 is about 30322.7819304232. The cubic root of 919471104 is about 972.4024142823.

The spelling of 919471104 in words is "nine hundred nineteen million, four hundred seventy-one thousand, one hundred four".