4078401 has 4 divisors (see below), whose sum is σ = 5437872. Its totient is φ = 2718932.

The previous prime is 4078397. The next prime is 4078409. The reversal of 4078401 is 1048704.

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 4078401 - 2² = 4078397 is a prime.

It is a D-number.

4078401 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (4078409) 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, 679731 + ... + 679736.

It is an arithmetic number, because the mean of its divisors is an integer number (1359468).

Almost surely, 2^4078401 is an apocalyptic number.

It is an amenable number.

4078401 is a deficient number, since it is larger than the sum of its proper divisors (1359471).

4078401 is a wasteful number, since it uses less digits than its factorization.

4078401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1359470.

The product of its (nonzero) digits is 896, while the sum is 24.

The square root of 4078401 is about 2019.5051374037. The cubic root of 4078401 is about 159.7705173723.

The spelling of 4078401 in words is "four million, seventy-eight thousand, four hundred one".