89621546 has 16 divisors (see below), whose sum is σ = 157210944. Its totient is φ = 37515744.

The previous prime is 89621509. The next prime is 89621549. The reversal of 89621546 is 64512698.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (89621549) 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, 73835 + ... + 75038.

It is an arithmetic number, because the mean of its divisors is an integer number (9825684).

Almost surely, 2^89621546 is an apocalyptic number.

89621546 is a gapful number since it is divisible by the number (86) formed by its first and last digit.

89621546 is a deficient number, since it is larger than the sum of its proper divisors (67589398).

89621546 is a wasteful number, since it uses less digits than its factorization.

89621546 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 148925.

The product of its digits is 103680, while the sum is 41.

The square root of 89621546 is about 9466.8656903962. The cubic root of 89621546 is about 447.5114419221.

The spelling of 89621546 in words is "eighty-nine million, six hundred twenty-one thousand, five hundred forty-six".