930639801 has 24 divisors (see below), whose sum is σ = 1554478464. Its totient is φ = 490885920.

The previous prime is 930639797. The next prime is 930639839. The reversal of 930639801 is 108936039.

It is not a de Polignac number, because 930639801 - 2² = 930639797 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 930639801.

It is not an unprimeable number, because it can be changed into a prime (930639881) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 241585 + ... + 245406.

It is an arithmetic number, because the mean of its divisors is an integer number (64769936).

Almost surely, 2^930639801 is an apocalyptic number.

930639801 is a gapful number since it is divisible by the number (91) formed by its first and last digit.

It is an amenable number.

930639801 is a deficient number, since it is larger than the sum of its proper divisors (623838663).

930639801 is a wasteful number, since it uses less digits than its factorization.

930639801 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 487021 (or 487014 counting only the distinct ones).

The product of its (nonzero) digits is 34992, while the sum is 39.

The square root of 930639801 is about 30506.3895110516. The cubic root of 930639801 is about 976.3237949816.

The spelling of 930639801 in words is "nine hundred thirty million, six hundred thirty-nine thousand, eight hundred one".