842406088 has 8 divisors (see below), whose sum is σ = 1579511430. Its totient is φ = 421203040.

The previous prime is 842406067. The next prime is 842406091. The reversal of 842406088 is 880604248.

It can be written as a sum of positive squares in only one way, i.e., 828403524 + 14002564 = 28782^2 + 3742^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a self number, because there is not a number n which added to its sum of digits gives 842406088.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 52650373 + ... + 52650388.

Almost surely, 2^842406088 is an apocalyptic number.

It is an amenable number.

842406088 is a deficient number, since it is larger than the sum of its proper divisors (737105342).

842406088 is a wasteful number, since it uses less digits than its factorization.

842406088 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 105300767 (or 105300763 counting only the distinct ones).

The product of its (nonzero) digits is 98304, while the sum is 40.

The square root of 842406088 is about 29024.2327719442. The cubic root of 842406088 is about 944.4388251118.

The spelling of 842406088 in words is "eight hundred forty-two million, four hundred six thousand, eighty-eight".