2920401 has 16 divisors (see below), whose sum is σ = 4720320. Its totient is φ = 1769760.

The previous prime is 2920399. The next prime is 2920403. The reversal of 2920401 is 1040292.

It is an interprime number because it is at equal distance from previous prime (2920399) and next prime (2920403).

It is not a de Polignac number, because 2920401 - 2¹ = 2920399 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2920403) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4620 + ... + 5213.

It is an arithmetic number, because the mean of its divisors is an integer number (295020).

2^2920401 is an apocalyptic number.

It is an amenable number.

2920401 is a deficient number, since it is larger than the sum of its proper divisors (1799919).

2920401 is a wasteful number, since it uses less digits than its factorization.

2920401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9853 (or 9847 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

The square root of 2920401 is about 1708.9180787855. The cubic root of 2920401 is about 142.9379325407.

Adding to 2920401 its reverse (1040292), we get a palindrome (3960693).

It can be divided in two parts, 2920 and 401, that added together give a triangular number (3321 = T₈₁).

The spelling of 2920401 in words is "two million, nine hundred twenty thousand, four hundred one".