90406371 has 8 divisors (see below), whose sum is σ = 131500224. Its totient is φ = 54791720.

The previous prime is 90406321. The next prime is 90406387. The reversal of 90406371 is 17360409.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 90406371 - 2⁷ = 90406243 is a prime.

It is not an unprimeable number, because it can be changed into a prime (90406321) 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, 1369761 + ... + 1369826.

It is an arithmetic number, because the mean of its divisors is an integer number (16437528).

Almost surely, 2^90406371 is an apocalyptic number.

90406371 is a deficient number, since it is larger than the sum of its proper divisors (41093853).

90406371 is a wasteful number, since it uses less digits than its factorization.

90406371 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2739601.

The product of its (nonzero) digits is 4536, while the sum is 30.

The square root of 90406371 is about 9508.2264907815. The cubic root of 90406371 is about 448.8139483100.

The spelling of 90406371 in words is "ninety million, four hundred six thousand, three hundred seventy-one".