1997383035 has 16 divisors (see below), whose sum is σ = 3225134880. Its totient is φ = 1055496960.

The previous prime is 1997383027. The next prime is 1997383039. The reversal of 1997383035 is 5303837991.

It is not a de Polignac number, because 1997383035 - 2³ = 1997383027 is a prime.

It is a super-2 number, since 2×1997383035² = 7979077977011622450, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1997383039) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 609186 + ... + 612455.

It is an arithmetic number, because the mean of its divisors is an integer number (201570930).

Almost surely, 2^1997383035 is an apocalyptic number.

1997383035 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1997383035 is a deficient number, since it is larger than the sum of its proper divisors (1227751845).

1997383035 is a wasteful number, since it uses less digits than its factorization.

1997383035 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1221758.

The product of its (nonzero) digits is 612360, while the sum is 48.

The square root of 1997383035 is about 44692.0914144773. The cubic root of 1997383035 is about 1259.3712818227.

The spelling of 1997383035 in words is "one billion, nine hundred ninety-seven million, three hundred eighty-three thousand, thirty-five".