890364047 has 2 divisors, whose sum is σ = 890364048. Its totient is φ = 890364046.

The previous prime is 890364043. The next prime is 890364053. The reversal of 890364047 is 740463098.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 890364047 - 2² = 890364043 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 890363995 and 890364013.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (890364043) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 445182023 + 445182024.

It is an arithmetic number, because the mean of its divisors is an integer number (445182024).

Almost surely, 2^890364047 is an apocalyptic number.

890364047 is a deficient number, since it is larger than the sum of its proper divisors (1).

890364047 is an equidigital number, since it uses as much as digits as its factorization.

890364047 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 145152, while the sum is 41.

The square root of 890364047 is about 29838.9685981268. The cubic root of 890364047 is about 962.0313061159.

The spelling of 890364047 in words is "eight hundred ninety million, three hundred sixty-four thousand, forty-seven".