2946890357 has 2 divisors, whose sum is σ = 2946890358. Its totient is φ = 2946890356.

The previous prime is 2946890351. The next prime is 2946890371. The reversal of 2946890357 is 7530986492.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1648441201 + 1298449156 = 40601^2 + 36034^2 .

It is a cyclic number.

It is not a de Polignac number, because 2946890357 - 2¹⁰ = 2946889333 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2946890299 and 2946890308.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2946890351) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1473445178 + 1473445179.

It is an arithmetic number, because the mean of its divisors is an integer number (1473445179).

Almost surely, 2^2946890357 is an apocalyptic number.

It is an amenable number.

2946890357 is a deficient number, since it is larger than the sum of its proper divisors (1).

2946890357 is an equidigital number, since it uses as much as digits as its factorization.

2946890357 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3265920, while the sum is 53.

The square root of 2946890357 is about 54285.2683239201. The cubic root of 2946890357 is about 1433.6880297537.

The spelling of 2946890357 in words is "two billion, nine hundred forty-six million, eight hundred ninety thousand, three hundred fifty-seven".