2903641 has 8 divisors (see below), whose sum is σ = 3140424. Its totient is φ = 2668800.

The previous prime is 2903639. The next prime is 2903657. The reversal of 2903641 is 1463092.

2903641 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 250000 + 2653641 = 500^2 + 1629^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2903641 - 2¹ = 2903639 is a prime.

It is a super-2 number, since 2×2903641² = 16862262113762, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2903671) 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 7 ways as a sum of consecutive naturals, for example, 4935 + ... + 5491.

It is an arithmetic number, because the mean of its divisors is an integer number (392553).

2^2903641 is an apocalyptic number.

It is an amenable number.

2903641 is a deficient number, since it is larger than the sum of its proper divisors (236783).

2903641 is a wasteful number, since it uses less digits than its factorization.

2903641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 971.

The product of its (nonzero) digits is 1296, while the sum is 25.

The square root of 2903641 is about 1704.0073356650. The cubic root of 2903641 is about 142.6639704802.

Subtracting from 2903641 its sum of digits (25), we obtain a square (2903616 = 1704²).

The spelling of 2903641 in words is "two million, nine hundred three thousand, six hundred forty-one".