89477438 has 8 divisors (see below), whose sum is σ = 134344920. Its totient is φ = 44695800.

The previous prime is 89477417. The next prime is 89477449. The reversal of 89477438 is 83477498.

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

It is a super-2 number, since 2×89477438² = 16012423822087688, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

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, 18788 + ... + 23063.

It is an arithmetic number, because the mean of its divisors is an integer number (16793115).

Almost surely, 2^89477438 is an apocalyptic number.

89477438 is a deficient number, since it is larger than the sum of its proper divisors (44867482).

89477438 is a wasteful number, since it uses less digits than its factorization.

89477438 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42922.

The product of its digits is 1354752, while the sum is 50.

The square root of 89477438 is about 9459.2514502999. The cubic root of 89477438 is about 447.2714528478.

The spelling of 89477438 in words is "eighty-nine million, four hundred seventy-seven thousand, four hundred thirty-eight".