4002906897 has 32 divisors (see below), whose sum is σ = 6484561920. Its totient is φ = 2420298000.

The previous prime is 4002906889. The next prime is 4002906911. The reversal of 4002906897 is 7986092004.

It is a happy number.

4002906897 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 4002906897 - 2³ = 4002906889 is a prime.

It is not an unprimeable number, because it can be changed into a prime (4002906847) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 112372 + ... + 143642.

It is an arithmetic number, because the mean of its divisors is an integer number (202642560).

Almost surely, 2^4002906897 is an apocalyptic number.

It is an amenable number.

4002906897 is a deficient number, since it is larger than the sum of its proper divisors (2481655023).

4002906897 is a wasteful number, since it uses less digits than its factorization.

4002906897 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31722 (or 31716 counting only the distinct ones).

The product of its (nonzero) digits is 217728, while the sum is 45.

The square root of 4002906897 is about 63268.5300682733. The cubic root of 4002906897 is about 1587.7854931353.

The spelling of 4002906897 in words is "four billion, two million, nine hundred six thousand, eight hundred ninety-seven".