988436408 has 16 divisors (see below), whose sum is σ = 1933897680. Its totient is φ = 472730368.

The previous prime is 988436353. The next prime is 988436413. The reversal of 988436408 is 804634889.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2685785 + ... + 2686152.

It is an arithmetic number, because the mean of its divisors is an integer number (120868605).

Almost surely, 2^988436408 is an apocalyptic number.

It is an amenable number.

988436408 is a deficient number, since it is larger than the sum of its proper divisors (945461272).

988436408 is a wasteful number, since it uses less digits than its factorization.

988436408 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5371966 (or 5371962 counting only the distinct ones).

The product of its (nonzero) digits is 1327104, while the sum is 50.

The square root of 988436408 is about 31439.4085186093. The cubic root of 988436408 is about 996.1305157374.

The spelling of 988436408 in words is "nine hundred eighty-eight million, four hundred thirty-six thousand, four hundred eight".