901738290 has 96 divisors (see below), whose sum is σ = 2328647616. Its totient is φ = 223367040.

The previous prime is 901738219. The next prime is 901738291. The reversal of 901738290 is 92837109.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (901738291) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 573205 + ... + 574775.

It is an arithmetic number, because the mean of its divisors is an integer number (24256746).

Almost surely, 2^901738290 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 901738290, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1164323808).

901738290 is an abundant number, since it is smaller than the sum of its proper divisors (1426909326).

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

901738290 is a wasteful number, since it uses less digits than its factorization.

901738290 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1672 (or 1653 counting only the distinct ones).

The product of its (nonzero) digits is 27216, while the sum is 39.

The square root of 901738290 is about 30028.9575243630. The cubic root of 901738290 is about 966.1105776396.

The spelling of 901738290 in words is "nine hundred one million, seven hundred thirty-eight thousand, two hundred ninety".