396601730 has 32 divisors (see below), whose sum is σ = 816583680. Its totient is φ = 135858240.

The previous prime is 396601729. The next prime is 396601739. The reversal of 396601730 is 37106693.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is not an unprimeable number, because it can be changed into a prime (396601739) 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, 121520 + ... + 124740.

It is an arithmetic number, because the mean of its divisors is an integer number (25518240).

Almost surely, 2^396601730 is an apocalyptic number.

396601730 is an abundant number, since it is smaller than the sum of its proper divisors (419981950).

396601730 is a wasteful number, since it uses less digits than its factorization.

396601730 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4994.

The product of its (nonzero) digits is 20412, while the sum is 35.

The square root of 396601730 is about 19914.8620381865. The cubic root of 396601730 is about 734.7138071606.

The spelling of 396601730 in words is "three hundred ninety-six million, six hundred one thousand, seven hundred thirty".