2021434008 has 32 divisors (see below), whose sum is σ = 5513002560. Its totient is φ = 612555680.

The previous prime is 2021434007. The next prime is 2021434027. The reversal of 2021434008 is 8004341202.

It is a super-3 number, since 3×2021434008³ (a number of 29 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2021434001) 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, 3828210 + ... + 3828737.

It is an arithmetic number, because the mean of its divisors is an integer number (172281330).

Almost surely, 2^2021434008 is an apocalyptic number.

It is an amenable number.

2021434008 is an abundant number, since it is smaller than the sum of its proper divisors (3491568552).

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

2021434008 is a wasteful number, since it uses less digits than its factorization.

2021434008 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7656967 (or 7656963 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 24.

The square root of 2021434008 is about 44960.3604078081. The cubic root of 2021434008 is about 1264.4059260132.

The spelling of 2021434008 in words is "two billion, twenty-one million, four hundred thirty-four thousand, eight".