89404542 has 24 divisors (see below), whose sum is σ = 202132944. Its totient is φ = 28505664.

The previous prime is 89404517. The next prime is 89404561. The reversal of 89404542 is 24540498.

It is a junction number, because it is equal to n+sod(n) for n = 89404497 and 89404506.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 107563 + ... + 108390.

It is an arithmetic number, because the mean of its divisors is an integer number (8422206).

Almost surely, 2^89404542 is an apocalyptic number.

89404542 is an abundant number, since it is smaller than the sum of its proper divisors (112728402).

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

89404542 is a wasteful number, since it uses less digits than its factorization.

89404542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 215984 (or 215981 counting only the distinct ones).

The product of its (nonzero) digits is 46080, while the sum is 36.

The square root of 89404542 is about 9455.3975061866. The cubic root of 89404542 is about 447.1499579449.

The spelling of 89404542 in words is "eighty-nine million, four hundred four thousand, five hundred forty-two".