94945890 has 96 divisors (see below), whose sum is σ = 251608896. Its totient is φ = 22913280.

The previous prime is 94945883. The next prime is 94945897. The reversal of 94945890 is 9854949.

94945890 = T₃₆ + T₃₇ + ... + T₈₂₈.

It is an interprime number because it is at equal distance from previous prime (94945883) and next prime (94945897).

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

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (94945897) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 309117 + ... + 309423.

It is an arithmetic number, because the mean of its divisors is an integer number (2620926).

Almost surely, 2^94945890 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 94945890, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (125804448).

94945890 is an abundant number, since it is smaller than the sum of its proper divisors (156663006).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

94945890 is a wasteful number, since it uses less digits than its factorization.

94945890 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 404 (or 391 counting only the distinct ones).

The product of its (nonzero) digits is 466560, while the sum is 48.

The square root of 94945890 is about 9744.0181650077. The cubic root of 94945890 is about 456.2036159764.

The spelling of 94945890 in words is "ninety-four million, nine hundred forty-five thousand, eight hundred ninety".