93881901 has 4 divisors (see below), whose sum is σ = 125175872. Its totient is φ = 62587932.

The previous prime is 93881899. The next prime is 93881911. The reversal of 93881901 is 10918839.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 93881901 - 2¹ = 93881899 is a prime.

It is a super-2 number, since 2×93881901² = 17627622670747602, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 93881901.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (93881911) 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, 15646981 + ... + 15646986.

It is an arithmetic number, because the mean of its divisors is an integer number (31293968).

Almost surely, 2^93881901 is an apocalyptic number.

It is an amenable number.

93881901 is a deficient number, since it is larger than the sum of its proper divisors (31293971).

93881901 is a wasteful number, since it uses less digits than its factorization.

93881901 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31293970.

The product of its (nonzero) digits is 15552, while the sum is 39.

The square root of 93881901 is about 9689.2673097608. The cubic root of 93881901 is about 454.4930972797.

The spelling of 93881901 in words is "ninety-three million, eight hundred eighty-one thousand, nine hundred one".