2943901 has 4 divisors (see below), whose sum is σ = 2947392. Its totient is φ = 2940412.

The previous prime is 2943887. The next prime is 2943911. The reversal of 2943901 is 1093492.

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, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 2943901 - 2⁵ = 2943869 is a prime.

It is a Duffinian number.

2943901 is a lucky number.

It is a self number, because there is not a number n which added to its sum of digits gives 2943901.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2943911) 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, 396 + ... + 2458.

It is an arithmetic number, because the mean of its divisors is an integer number (736848).

2^2943901 is an apocalyptic number.

It is an amenable number.

2943901 is a deficient number, since it is larger than the sum of its proper divisors (3491).

2943901 is a wasteful number, since it uses less digits than its factorization.

2943901 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3490.

The product of its (nonzero) digits is 1944, while the sum is 28.

The square root of 2943901 is about 1715.7799975521. The cubic root of 2943901 is about 143.3203082930.

It can be divided in two parts, 2943 and 901, that added together give a square (3844 = 62²).

The spelling of 2943901 in words is "two million, nine hundred forty-three thousand, nine hundred one".