901887630 has 160 divisors (see below), whose sum is σ = 2662070400. Its totient is φ = 194999616.

The previous prime is 901887593. The next prime is 901887647. The reversal of 901887630 is 36788109.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 1368241 + ... + 1368899.

It is an arithmetic number, because the mean of its divisors is an integer number (16637940).

Almost surely, 2^901887630 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 901887630, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1331035200).

901887630 is an abundant number, since it is smaller than the sum of its proper divisors (1760182770).

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

901887630 is a wasteful number, since it uses less digits than its factorization.

901887630 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 716 (or 695 counting only the distinct ones).

The product of its (nonzero) digits is 72576, while the sum is 42.

The square root of 901887630 is about 30031.4440212255. Note that the first 3 decimals coincide. The cubic root of 901887630 is about 966.1639083348.

The spelling of 901887630 in words is "nine hundred one million, eight hundred eighty-seven thousand, six hundred thirty".