90406067 has 2 divisors, whose sum is σ = 90406068. Its totient is φ = 90406066.

The previous prime is 90406027. The next prime is 90406073. The reversal of 90406067 is 76060409.

It is a strong prime.

It is an emirp because it is prime and its reverse (76060409) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 90406067 - 2⁶ = 90406003 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (90406027) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 45203033 + 45203034.

It is an arithmetic number, because the mean of its divisors is an integer number (45203034).

Almost surely, 2^90406067 is an apocalyptic number.

90406067 is a deficient number, since it is larger than the sum of its proper divisors (1).

90406067 is an equidigital number, since it uses as much as digits as its factorization.

90406067 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 9072, while the sum is 32.

The square root of 90406067 is about 9508.2105046113. The cubic root of 90406067 is about 448.8134452496.

The spelling of 90406067 in words is "ninety million, four hundred six thousand, sixty-seven".