99654091 has 8 divisors (see below), whose sum is σ = 102175920. Its totient is φ = 97141632.

The previous prime is 99654089. The next prime is 99654097. The reversal of 99654091 is 19045699.

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 99654091 - 2¹ = 99654089 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (43).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (99654097) 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, 22431 + ... + 26503.

It is an arithmetic number, because the mean of its divisors is an integer number (12771990).

Almost surely, 2^99654091 is an apocalyptic number.

99654091 is a deficient number, since it is larger than the sum of its proper divisors (2521829).

99654091 is a wasteful number, since it uses less digits than its factorization.

99654091 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4685.

The product of its (nonzero) digits is 87480, while the sum is 43.

The square root of 99654091 is about 9982.6895674462. The cubic root of 99654091 is about 463.6230759663.

The spelling of 99654091 in words is "ninety-nine million, six hundred fifty-four thousand, ninety-one".