90046843 has 2 divisors, whose sum is σ = 90046844. Its totient is φ = 90046842.

The previous prime is 90046837. The next prime is 90046867. The reversal of 90046843 is 34864009.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 90046843 - 2²¹ = 87949691 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 90046799 and 90046808.

It is not a weakly prime, because it can be changed into another prime (90043843) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 45023421 + 45023422.

It is an arithmetic number, because the mean of its divisors is an integer number (45023422).

Almost surely, 2^90046843 is an apocalyptic number.

90046843 is a deficient number, since it is larger than the sum of its proper divisors (1).

90046843 is an equidigital number, since it uses as much as digits as its factorization.

90046843 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 20736, while the sum is 34.

The square root of 90046843 is about 9489.3015022182. The cubic root of 90046843 is about 448.2182102235.

The spelling of 90046843 in words is "ninety million, forty-six thousand, eight hundred forty-three".