90820467 has 8 divisors (see below), whose sum is σ = 134548880. Its totient is φ = 60546960.

The previous prime is 90820463. The next prime is 90820469. The reversal of 90820467 is 76402809.

It is not a de Polignac number, because 90820467 - 2² = 90820463 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (90820463) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1681834 + ... + 1681887.

It is an arithmetic number, because the mean of its divisors is an integer number (16818610).

Almost surely, 2^90820467 is an apocalyptic number.

90820467 is a deficient number, since it is larger than the sum of its proper divisors (43728413).

90820467 is a wasteful number, since it uses less digits than its factorization.

90820467 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3363730 (or 3363724 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 36.

The square root of 90820467 is about 9529.9772822394. The cubic root of 90820467 is about 449.4981516486.

The spelling of 90820467 in words is "ninety million, eight hundred twenty thousand, four hundred sixty-seven".