1973336397 has 16 divisors (see below), whose sum is σ = 2677483392. Its totient is φ = 1292425920.

The previous prime is 1973336381. The next prime is 1973336399. The reversal of 1973336397 is 7936333791.

It is not a de Polignac number, because 1973336397 - 2⁴ = 1973336381 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1973336399) 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, 156243 + ... + 168399.

It is an arithmetic number, because the mean of its divisors is an integer number (167342712).

Almost surely, 2^1973336397 is an apocalyptic number.

It is an amenable number.

1973336397 is a deficient number, since it is larger than the sum of its proper divisors (704146995).

1973336397 is a wasteful number, since it uses less digits than its factorization.

1973336397 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13108.

The product of its digits is 1928934, while the sum is 51.

The square root of 1973336397 is about 44422.2511473698. The cubic root of 1973336397 is about 1254.2969765615.

The spelling of 1973336397 in words is "one billion, nine hundred seventy-three million, three hundred thirty-six thousand, three hundred ninety-seven".