90844371 has 6 divisors (see below), whose sum is σ = 131219660. Its totient is φ = 60562908.

The previous prime is 90844367. The next prime is 90844393. The reversal of 90844371 is 17344809.

It is a happy number.

It is not a de Polignac number, because 90844371 - 2² = 90844367 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (90844321) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 5046901 + ... + 5046918.

Almost surely, 2^90844371 is an apocalyptic number.

90844371 is a deficient number, since it is larger than the sum of its proper divisors (40375289).

90844371 is a wasteful number, since it uses less digits than its factorization.

90844371 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10093825 (or 10093822 counting only the distinct ones).

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

The square root of 90844371 is about 9531.2313475227. The cubic root of 90844371 is about 449.5375842480.

The spelling of 90844371 in words is "ninety million, eight hundred forty-four thousand, three hundred seventy-one".