2947801 has 2 divisors, whose sum is σ = 2947802. Its totient is φ = 2947800.

The previous prime is 2947781. The next prime is 2947823. The reversal of 2947801 is 1087492.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2673225 + 274576 = 1635^2 + 524^2 .

It is a cyclic number.

It is not a de Polignac number, because 2947801 - 2⁷ = 2947673 is a prime.

It is not a weakly prime, because it can be changed into another prime (2947891) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1473900 + 1473901.

It is an arithmetic number, because the mean of its divisors is an integer number (1473901).

2^2947801 is an apocalyptic number.

It is an amenable number.

2947801 is a deficient number, since it is larger than the sum of its proper divisors (1).

2947801 is an equidigital number, since it uses as much as digits as its factorization.

2947801 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4032, while the sum is 31.

The square root of 2947801 is about 1716.9161307414. The cubic root of 2947801 is about 143.3835693149.

The spelling of 2947801 in words is "two million, nine hundred forty-seven thousand, eight hundred one".