89402042 has 4 divisors (see below), whose sum is σ = 134103066. Its totient is φ = 44701020.

The previous prime is 89402029. The next prime is 89402057. The reversal of 89402042 is 24020498.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 84070561 + 5331481 = 9169^2 + 2309^2 .

It is a super-2 number, since 2×89402042² = 15985450227539528, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 89401996 and 89402014.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 22350509 + ... + 22350512.

Almost surely, 2^89402042 is an apocalyptic number.

89402042 is a deficient number, since it is larger than the sum of its proper divisors (44701024).

89402042 is a wasteful number, since it uses less digits than its factorization.

89402042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44701023.

The product of its (nonzero) digits is 4608, while the sum is 29.

The square root of 89402042 is about 9455.2653056379. The cubic root of 89402042 is about 447.1457900533.

The spelling of 89402042 in words is "eighty-nine million, four hundred two thousand, forty-two".