94071821 has 8 divisors (see below), whose sum is σ = 96374784. Its totient is φ = 91793520.

The previous prime is 94071811. The next prime is 94071827. The reversal of 94071821 is 12817049.

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 94071821 - 2²² = 89877517 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (94071827) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1676 + ... + 13818.

It is an arithmetic number, because the mean of its divisors is an integer number (12046848).

Almost surely, 2^94071821 is an apocalyptic number.

It is an amenable number.

94071821 is a deficient number, since it is larger than the sum of its proper divisors (2302963).

94071821 is a wasteful number, since it uses less digits than its factorization.

94071821 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12331.

The product of its (nonzero) digits is 4032, while the sum is 32.

The square root of 94071821 is about 9699.0628928778. The cubic root of 94071821 is about 454.7993657146.

The spelling of 94071821 in words is "ninety-four million, seventy-one thousand, eight hundred twenty-one".