1990772301 has 32 divisors (see below), whose sum is σ = 3231802368. Its totient is φ = 1064067840.

The previous prime is 1990772293. The next prime is 1990772321. The reversal of 1990772301 is 1032770991.

It is not a de Polignac number, because 1990772301 - 2³ = 1990772293 is a prime.

It is a super-3 number, since 3×1990772301³ (a number of 29 digits) contains 333 as substring.

It is a Smith number, since the sum of its digits (39) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a self number, because there is not a number n which added to its sum of digits gives 1990772301.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1990772321) 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, 41086 + ... + 75296.

It is an arithmetic number, because the mean of its divisors is an integer number (100993824).

Almost surely, 2^1990772301 is an apocalyptic number.

It is an amenable number.

1990772301 is a deficient number, since it is larger than the sum of its proper divisors (1241030067).

1990772301 is a wasteful number, since it uses less digits than its factorization.

1990772301 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34401.

The product of its (nonzero) digits is 23814, while the sum is 39.

The square root of 1990772301 is about 44618.0714621329. The cubic root of 1990772301 is about 1257.9803667856.

The spelling of 1990772301 in words is "one billion, nine hundred ninety million, seven hundred seventy-two thousand, three hundred one".