920971601 has 16 divisors (see below), whose sum is σ = 1021631616. Its totient is φ = 823200000.

The previous prime is 920971573. The next prime is 920971603. The reversal of 920971601 is 106179029.

It is a cyclic number.

It is not a de Polignac number, because 920971601 - 2¹⁸ = 920709457 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (920971603) 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, 327401 + ... + 330201.

It is an arithmetic number, because the mean of its divisors is an integer number (63851976).

Almost surely, 2^920971601 is an apocalyptic number.

It is an amenable number.

920971601 is a deficient number, since it is larger than the sum of its proper divisors (100660015).

920971601 is a wasteful number, since it uses less digits than its factorization.

920971601 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3304.

The product of its (nonzero) digits is 6804, while the sum is 35.

The square root of 920971601 is about 30347.5139179472. The cubic root of 920971601 is about 972.9310855720.

The spelling of 920971601 in words is "nine hundred twenty million, nine hundred seventy-one thousand, six hundred one".