396871430 has 32 divisors (see below), whose sum is σ = 754639200. Its totient is φ = 149859072.

The previous prime is 396871421. The next prime is 396871439. The reversal of 396871430 is 34178693.

It is an interprime number because it is at equal distance from previous prime (396871421) and next prime (396871439).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (396871439) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 52106 + ... + 59234.

It is an arithmetic number, because the mean of its divisors is an integer number (23582475).

Almost surely, 2^396871430 is an apocalyptic number.

396871430 is a deficient number, since it is larger than the sum of its proper divisors (357767770).

396871430 is a wasteful number, since it uses less digits than its factorization.

396871430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7448.

The product of its (nonzero) digits is 108864, while the sum is 41.

The square root of 396871430 is about 19921.6322122461. The cubic root of 396871430 is about 734.8803112371.

The spelling of 396871430 in words is "three hundred ninety-six million, eight hundred seventy-one thousand, four hundred thirty".