316399950 has 144 divisors (see below), whose sum is σ = 902668416. Its totient is φ = 79315200.

The previous prime is 316399939. The next prime is 316399957. The reversal of 316399950 is 59993613.

316399950 is a `hidden beast` number, since 3 + 1 + 639 + 9 + 9 + 5 + 0 = 666.

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

It is a junction number, because it is equal to n+sod(n) for n = 316399896 and 316399905.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (316399957) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 515844 + ... + 516456.

Almost surely, 2^316399950 is an apocalyptic number.

316399950 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 316399950, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (451334208).

316399950 is an abundant number, since it is smaller than the sum of its proper divisors (586268466).

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

316399950 is a wasteful number, since it uses less digits than its factorization.

316399950 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 699 (or 691 counting only the distinct ones).

The product of its (nonzero) digits is 196830, while the sum is 45.

The square root of 316399950 is about 17787.6347500167. The cubic root of 316399950 is about 681.4156996708.

The spelling of 316399950 in words is "three hundred sixteen million, three hundred ninety-nine thousand, nine hundred fifty".