3918887154 has 96 divisors (see below), whose sum is σ = 10904834304. Its totient is φ = 988606080.

The previous prime is 3918887149. The next prime is 3918887183. The reversal of 3918887154 is 4517888193.

It is a self number, because there is not a number n which added to its sum of digits gives 3918887154.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 14337 + ... + 89684.

It is an arithmetic number, because the mean of its divisors is an integer number (113592024).

Almost surely, 2^3918887154 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3918887154, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5452417152).

3918887154 is an abundant number, since it is smaller than the sum of its proper divisors (6985947150).

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

3918887154 is a wasteful number, since it uses less digits than its factorization.

3918887154 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 104072 (or 104069 counting only the distinct ones).

The product of its digits is 1935360, while the sum is 54.

The square root of 3918887154 is about 62601.0155987904. The cubic root of 3918887154 is about 1576.5978113031.

The spelling of 3918887154 in words is "three billion, nine hundred eighteen million, eight hundred eighty-seven thousand, one hundred fifty-four".