396191250 has 400 divisors, whose sum is σ = 1397102784. Its totient is φ = 81648000.

The previous prime is 396191219. The next prime is 396191267. The reversal of 396191250 is 52191693.

396191250 is a `hidden beast` number, since 39 + 619 + 1 + 2 + 5 + 0 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 199 ways as a sum of consecutive naturals, for example, 9213729 + ... + 9213771.

Almost surely, 2^396191250 is an apocalyptic number.

396191250 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 396191250, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (698551392).

396191250 is an abundant number, since it is smaller than the sum of its proper divisors (1000911534).

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

396191250 is a wasteful number, since it uses less digits than its factorization.

396191250 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 97 (or 73 counting only the distinct ones).

The product of its (nonzero) digits is 14580, while the sum is 36.

The square root of 396191250 is about 19904.5534991368. The cubic root of 396191250 is about 734.4602451218.

The spelling of 396191250 in words is "three hundred ninety-six million, one hundred ninety-one thousand, two hundred fifty".