2966401 has 4 divisors (see below), whose sum is σ = 3046612. Its totient is φ = 2886192.

The previous prime is 2966389. The next prime is 2966407. The reversal of 2966401 is 1046692.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1703025 + 1263376 = 1305^2 + 1124^2 .

It is a cyclic number.

It is not a de Polignac number, because 2966401 - 2¹⁵ = 2933633 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2966401.

It is not an unprimeable number, because it can be changed into a prime (2966407) 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, 40050 + ... + 40123.

It is an arithmetic number, because the mean of its divisors is an integer number (761653).

2^2966401 is an apocalyptic number.

It is an amenable number.

2966401 is a deficient number, since it is larger than the sum of its proper divisors (80211).

2966401 is an equidigital number, since it uses as much as digits as its factorization.

2966401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80210.

The product of its (nonzero) digits is 2592, while the sum is 28.

The square root of 2966401 is about 1722.3243016343. The cubic root of 2966401 is about 143.6845105596.

It can be divided in two parts, 29 and 66401, that added together give a triangular number (66430 = T₃₆₄).

The spelling of 2966401 in words is "two million, nine hundred sixty-six thousand, four hundred one".