90293402 has 8 divisors (see below), whose sum is σ = 135508800. Its totient is φ = 45123804.

The previous prime is 90293389. The next prime is 90293407. The reversal of 90293402 is 20439209.

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

It is not an unprimeable number, because it can be changed into a prime (90293407) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6002 + ... + 14717.

It is an arithmetic number, because the mean of its divisors is an integer number (16938600).

Almost surely, 2^90293402 is an apocalyptic number.

90293402 is a deficient number, since it is larger than the sum of its proper divisors (45215398).

90293402 is a wasteful number, since it uses less digits than its factorization.

90293402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22900.

The product of its (nonzero) digits is 3888, while the sum is 29.

The square root of 90293402 is about 9502.2840412187. The cubic root of 90293402 is about 448.6269290560.

The spelling of 90293402 in words is "ninety million, two hundred ninety-three thousand, four hundred two".