32400401 has 8 divisors (see below), whose sum is σ = 35690304. Its totient is φ = 29167920.

The previous prime is 32400397. The next prime is 32400409. The reversal of 32400401 is 10400423.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 32400401 - 2² = 32400397 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (32400409) 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, 13166 + ... + 15431.

It is an arithmetic number, because the mean of its divisors is an integer number (4461288).

Almost surely, 2^32400401 is an apocalyptic number.

It is an amenable number.

32400401 is a deficient number, since it is larger than the sum of its proper divisors (3289903).

32400401 is a wasteful number, since it uses less digits than its factorization.

32400401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28711.

The product of its (nonzero) digits is 96, while the sum is 14.

The square root of 32400401 is about 5692.1350124536. The cubic root of 32400401 is about 318.7988859533.

Adding to 32400401 its reverse (10400423), we get a palindrome (42800824).

The spelling of 32400401 in words is "thirty-two million, four hundred thousand, four hundred one".