396738507 has 8 divisors (see below), whose sum is σ = 577074240. Its totient is φ = 240447560.

The previous prime is 396738499. The next prime is 396738533. The reversal of 396738507 is 705837693.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 396738507 - 2³ = 396738499 is a prime.

It is not an unprimeable number, because it can be changed into a prime (396738907) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6011157 + ... + 6011222.

It is an arithmetic number, because the mean of its divisors is an integer number (72134280).

Almost surely, 2^396738507 is an apocalyptic number.

396738507 is a deficient number, since it is larger than the sum of its proper divisors (180335733).

396738507 is a wasteful number, since it uses less digits than its factorization.

396738507 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12022393.

The product of its (nonzero) digits is 952560, while the sum is 48.

The square root of 396738507 is about 19918.2957855335. The cubic root of 396738507 is about 734.7982582969.

The spelling of 396738507 in words is "three hundred ninety-six million, seven hundred thirty-eight thousand, five hundred seven".