89457642 has 32 divisors (see below), whose sum is σ = 199560960. Its totient is φ = 29704320.

The previous prime is 89457637. The next prime is 89457647. The reversal of 89457642 is 24675498.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (89457637) and next prime (89457647).

It is a zygodrome in base 4.

It is not an unprimeable number, because it can be changed into a prime (89457647) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11578 + ... + 17690.

It is an arithmetic number, because the mean of its divisors is an integer number (6236280).

Almost surely, 2^89457642 is an apocalyptic number.

89457642 is an abundant number, since it is smaller than the sum of its proper divisors (110103318).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

89457642 is a wasteful number, since it uses less digits than its factorization.

89457642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6395 (or 6389 counting only the distinct ones).

The product of its digits is 483840, while the sum is 45.

The square root of 89457642 is about 9458.2050094085. The cubic root of 89457642 is about 447.2384656169.

The spelling of 89457642 in words is "eighty-nine million, four hundred fifty-seven thousand, six hundred forty-two".