32401696 has 48 divisors (see below), whose sum is σ = 66769920. Its totient is φ = 15459840.

The previous prime is 32401693. The next prime is 32401697. The reversal of 32401696 is 69610423.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is not an unprimeable number, because it can be changed into a prime (32401693) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 88105 + ... + 88471.

It is an arithmetic number, because the mean of its divisors is an integer number (1391040).

Almost surely, 2^32401696 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 32401696, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (33384960).

32401696 is an abundant number, since it is smaller than the sum of its proper divisors (34368224).

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

32401696 is a wasteful number, since it uses less digits than its factorization.

32401696 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 497 (or 489 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 31.

The square root of 32401696 is about 5692.2487647678. The cubic root of 32401696 is about 318.8031332162.

The spelling of 32401696 in words is "thirty-two million, four hundred one thousand, six hundred ninety-six".