89291405 has 16 divisors (see below), whose sum is σ = 127782144. Its totient is φ = 58565760.

The previous prime is 89291401. The next prime is 89291407. The reversal of 89291405 is 50419298.

It is not a de Polignac number, because 89291405 - 2² = 89291401 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (89291401) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 54656 + ... + 56265.

It is an arithmetic number, because the mean of its divisors is an integer number (7986384).

Almost surely, 2^89291405 is an apocalyptic number.

It is an amenable number.

89291405 is a deficient number, since it is larger than the sum of its proper divisors (38490739).

89291405 is a wasteful number, since it uses less digits than its factorization.

89291405 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 110956.

The product of its (nonzero) digits is 25920, while the sum is 38.

The square root of 89291405 is about 9449.4129447284. The cubic root of 89291405 is about 446.9612629858.

The spelling of 89291405 in words is "eighty-nine million, two hundred ninety-one thousand, four hundred five".