43601401 has 4 divisors (see below), whose sum is σ = 43890304. Its totient is φ = 43312500.

The previous prime is 43601387. The next prime is 43601507. The reversal of 43601401 is 10410634.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 43601401 - 2⁹ = 43600889 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (43641401) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 144225 + ... + 144526.

It is an arithmetic number, because the mean of its divisors is an integer number (10972576).

Almost surely, 2^43601401 is an apocalyptic number.

It is an amenable number.

43601401 is a deficient number, since it is larger than the sum of its proper divisors (288903).

43601401 is a wasteful number, since it uses less digits than its factorization.

43601401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 288902.

The product of its (nonzero) digits is 288, while the sum is 19.

The square root of 43601401 is about 6603.1356945015. The cubic root of 43601401 is about 351.9655425336.

The spelling of 43601401 in words is "forty-three million, six hundred one thousand, four hundred one".