401620600 has 24 divisors (see below), whose sum is σ = 933768360. Its totient is φ = 160648160.

The previous prime is 401620577. The next prime is 401620603. The reversal of 401620600 is 6026104.

It is a super-2 number, since 2×401620600² = 322598212688720000, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (401620603) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1003852 + ... + 1004251.

It is an arithmetic number, because the mean of its divisors is an integer number (38907015).

Almost surely, 2^401620600 is an apocalyptic number.

401620600 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

401620600 is an abundant number, since it is smaller than the sum of its proper divisors (532147760).

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

401620600 is a wasteful number, since it uses less digits than its factorization.

401620600 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2008119 (or 2008110 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 19.

The square root of 401620600 is about 20040.4740462894. The cubic root of 401620600 is about 737.8000158281.

Adding to 401620600 its reverse (6026104), we get a palindrome (407646704).

The spelling of 401620600 in words is "four hundred one million, six hundred twenty thousand, six hundred".