897727401 has 16 divisors (see below), whose sum is σ = 1358265600. Its totient is φ = 585750384.

The previous prime is 897727373. The next prime is 897727417. The reversal of 897727401 is 104727798.

It is a happy number.

897727401 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 897727401 - 2⁷ = 897727273 is a prime.

It is not an unprimeable number, because it can be changed into a prime (897725401) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 352446 + ... + 354983.

It is an arithmetic number, because the mean of its divisors is an integer number (84891600).

Almost surely, 2^897727401 is an apocalyptic number.

It is an amenable number.

897727401 is a deficient number, since it is larger than the sum of its proper divisors (460538199).

897727401 is a wasteful number, since it uses less digits than its factorization.

897727401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 707485 (or 707479 counting only the distinct ones).

The product of its (nonzero) digits is 197568, while the sum is 45.

The square root of 897727401 is about 29962.0994090868. The cubic root of 897727401 is about 964.6760439962.

The spelling of 897727401 in words is "eight hundred ninety-seven million, seven hundred twenty-seven thousand, four hundred one".