395270400 has 432 divisors, whose sum is σ = 1587648384. Its totient is φ = 84541440.

The previous prime is 395270363. The next prime is 395270411. The reversal of 395270400 is 4072593.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

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 47 ways as a sum of consecutive naturals, for example, 2284714 + ... + 2284886.

It is an arithmetic number, because the mean of its divisors is an integer number (3675112).

Almost surely, 2^395270400 is an apocalyptic number.

395270400 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 395270400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (793824192).

395270400 is an abundant number, since it is smaller than the sum of its proper divisors (1192377984).

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

395270400 is a wasteful number, since it uses less digits than its factorization.

395270400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 226 (or 207 counting only the distinct ones).

The product of its (nonzero) digits is 7560, while the sum is 30.

The square root of 395270400 is about 19881.4084008151. The cubic root of 395270400 is about 733.8907790869.

The spelling of 395270400 in words is "three hundred ninety-five million, two hundred seventy thousand, four hundred".