396897030 has 64 divisors (see below), whose sum is σ = 1092556800. Its totient is φ = 102422880.

The previous prime is 396897001. The next prime is 396897031. The reversal of 396897030 is 30798693.

It is a happy number.

It is a super-4 number, since 4×396897030⁴ (a number of 35 digits) contains 4444 as substring.

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (396897031) 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 31 ways as a sum of consecutive naturals, for example, 15340 + ... + 32079.

It is an arithmetic number, because the mean of its divisors is an integer number (17071200).

Almost surely, 2^396897030 is an apocalyptic number.

396897030 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

396897030 is an abundant number, since it is smaller than the sum of its proper divisors (695659770).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

396897030 is a wasteful number, since it uses less digits than its factorization.

396897030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47466 (or 47460 counting only the distinct ones).

The product of its (nonzero) digits is 244944, while the sum is 45.

The square root of 396897030 is about 19922.2747195194. The cubic root of 396897030 is about 734.8961119306.

The spelling of 396897030 in words is "three hundred ninety-six million, eight hundred ninety-seven thousand, thirty".