90345214 has 8 divisors (see below), whose sum is σ = 136833840. Its totient is φ = 44733936.

The previous prime is 90345197. The next prime is 90345217. The reversal of 90345214 is 41254309.

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

It is an alternating number because its digits alternate between odd and even.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (90345217) 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, 219079 + ... + 219490.

It is an arithmetic number, because the mean of its divisors is an integer number (17104230).

Almost surely, 2^90345214 is an apocalyptic number.

90345214 is a deficient number, since it is larger than the sum of its proper divisors (46488626).

90345214 is a wasteful number, since it uses less digits than its factorization.

90345214 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 438674.

The product of its (nonzero) digits is 4320, while the sum is 28.

The square root of 90345214 is about 9505.0099421305. The cubic root of 90345214 is about 448.7127227514.

The spelling of 90345214 in words is "ninety million, three hundred forty-five thousand, two hundred fourteen".