91234546 has 16 divisors (see below), whose sum is σ = 156048984. Its totient is φ = 39631104.

The previous prime is 91234541. The next prime is 91234547. The reversal of 91234546 is 64543219.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 62236321 + 28998225 = 7889^2 + 5385^2 .

It is a super-2 number, since 2×91234546² = 16647484767652232, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (34).

It is not an unprimeable number, because it can be changed into a prime (91234541) 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 7 ways as a sum of consecutive naturals, for example, 102765 + ... + 103648.

Almost surely, 2^91234546 is an apocalyptic number.

91234546 is a deficient number, since it is larger than the sum of its proper divisors (64814438).

91234546 is a wasteful number, since it uses less digits than its factorization.

91234546 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 206445.

The product of its digits is 25920, while the sum is 34.

The square root of 91234546 is about 9551.6776536900. The cubic root of 91234546 is about 450.1802504236.

The spelling of 91234546 in words is "ninety-one million, two hundred thirty-four thousand, five hundred forty-six".