7905401 has 4 divisors (see below), whose sum is σ = 9034752. Its totient is φ = 6776052.

The previous prime is 7905379. The next prime is 7905407. The reversal of 7905401 is 1045097.

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, and also an emirpimes, since its reverse is a distinct semiprime: 1045097 = 23 ⋅45439.

It is a cyclic number.

It is not a de Polignac number, because 7905401 - 2¹⁴ = 7889017 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (7905407) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 564665 + ... + 564678.

It is an arithmetic number, because the mean of its divisors is an integer number (2258688).

Almost surely, 2^7905401 is an apocalyptic number.

It is an amenable number.

7905401 is a deficient number, since it is larger than the sum of its proper divisors (1129351).

7905401 is a wasteful number, since it uses less digits than its factorization.

7905401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1129350.

The product of its (nonzero) digits is 1260, while the sum is 26.

The square root of 7905401 is about 2811.6544951327. The cubic root of 7905401 is about 199.2085471432.

The spelling of 7905401 in words is "seven million, nine hundred five thousand, four hundred one".