91234634 has 8 divisors (see below), whose sum is σ = 137013120. Its totient is φ = 45563596.

The previous prime is 91234621. The next prime is 91234669. The reversal of 91234634 is 43643219.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×91234634² = 16647516882227912, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 91234634.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 24704 + ... + 28155.

It is an arithmetic number, because the mean of its divisors is an integer number (17126640).

Almost surely, 2^91234634 is an apocalyptic number.

91234634 is a deficient number, since it is larger than the sum of its proper divisors (45778486).

91234634 is a wasteful number, since it uses less digits than its factorization.

91234634 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53724.

The product of its digits is 15552, while the sum is 32.

The square root of 91234634 is about 9551.6822602095. The cubic root of 91234634 is about 450.1803951636.

The spelling of 91234634 in words is "ninety-one million, two hundred thirty-four thousand, six hundred thirty-four".