801634416 has 80 divisors (see below), whose sum is σ = 2297531520. Its totient is φ = 238792960.

The previous prime is 801634411. The next prime is 801634447. The reversal of 801634416 is 614436108.

It is a super-2 number, since 2×801634416² = 1285235473831322112, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (801634411) 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, 18286 + ... + 44018.

It is an arithmetic number, because the mean of its divisors is an integer number (28719144).

Almost surely, 2^801634416 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 801634416, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1148765760).

801634416 is an abundant number, since it is smaller than the sum of its proper divisors (1495897104).

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

801634416 is a wasteful number, since it uses less digits than its factorization.

801634416 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25814 (or 25808 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 33.

The square root of 801634416 is about 28313.1491713656. The cubic root of 801634416 is about 928.9495272725.

The spelling of 801634416 in words is "eight hundred one million, six hundred thirty-four thousand, four hundred sixteen".