91920341 has 4 divisors (see below), whose sum is σ = 92270112. Its totient is φ = 91570572.

The previous prime is 91920329. The next prime is 91920421. The reversal of 91920341 is 14302919.

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, and also an emirpimes, since its reverse is a distinct semiprime: 14302919 = 359 ⋅39841.

It is a cyclic number.

It is not a de Polignac number, because 91920341 - 2¹⁴ = 91903957 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 (91910341) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 174491 + ... + 175016.

It is an arithmetic number, because the mean of its divisors is an integer number (23067528).

Almost surely, 2^91920341 is an apocalyptic number.

It is an amenable number.

91920341 is a deficient number, since it is larger than the sum of its proper divisors (349771).

91920341 is a wasteful number, since it uses less digits than its factorization.

91920341 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 349770.

The product of its (nonzero) digits is 1944, while the sum is 29.

The square root of 91920341 is about 9587.5096349365. The cubic root of 91920341 is about 451.3054127361.

The spelling of 91920341 in words is "ninety-one million, nine hundred twenty thousand, three hundred forty-one".