396445973 has 12 divisors (see below), whose sum is σ = 498015840. Its totient is φ = 308918280.

The previous prime is 396445969. The next prime is 396445993. The reversal of 396445973 is 379544693.

It is not a de Polignac number, because 396445973 - 2² = 396445969 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (396445943) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 233183 + ... + 234876.

It is an arithmetic number, because the mean of its divisors is an integer number (41501320).

Almost surely, 2^396445973 is an apocalyptic number.

It is an amenable number.

396445973 is a deficient number, since it is larger than the sum of its proper divisors (101569867).

396445973 is a wasteful number, since it uses less digits than its factorization.

396445973 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 468088 (or 468077 counting only the distinct ones).

The product of its digits is 2449440, while the sum is 50.

The square root of 396445973 is about 19910.9510822562. The cubic root of 396445973 is about 734.6176134277.

The spelling of 396445973 in words is "three hundred ninety-six million, four hundred forty-five thousand, nine hundred seventy-three".