39897022 has 16 divisors (see below), whose sum is σ = 66519792. Its totient is φ = 17792320.

The previous prime is 39896999. The next prime is 39897029. The reversal of 39897022 is 22079893.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (39897029) 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, 15943 + ... + 18274.

It is an arithmetic number, because the mean of its divisors is an integer number (4157487).

Almost surely, 2^39897022 is an apocalyptic number.

39897022 is a deficient number, since it is larger than the sum of its proper divisors (26622770).

39897022 is a wasteful number, since it uses less digits than its factorization.

39897022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34283.

The product of its (nonzero) digits is 54432, while the sum is 40.

The square root of 39897022 is about 6316.4089481287. The cubic root of 39897022 is about 341.7014539502.

It can be divided in two parts, 3989 and 7022, that added together give a palindrome (11011).

The spelling of 39897022 in words is "thirty-nine million, eight hundred ninety-seven thousand, twenty-two".