616212396 has 36 divisors (see below), whose sum is σ = 1649275992. Its totient is φ = 193321344.

The previous prime is 616212361. The next prime is 616212431. The reversal of 616212396 is 693212616.

It is a happy number.

616212396 is a `hidden beast` number, since 6 + 1 + 621 + 23 + 9 + 6 = 666.

It is an interprime number because it is at equal distance from previous prime (616212361) and next prime (616212431).

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a nude number because it is divisible by every one of its digits.

It is a self number, because there is not a number n which added to its sum of digits gives 616212396.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 502830 + ... + 504053.

It is an arithmetic number, because the mean of its divisors is an integer number (45813222).

Almost surely, 2^616212396 is an apocalyptic number.

It is an amenable number.

616212396 is an abundant number, since it is smaller than the sum of its proper divisors (1033063596).

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

616212396 is a wasteful number, since it uses less digits than its factorization.

616212396 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1006910 (or 1006905 counting only the distinct ones).

The product of its digits is 23328, while the sum is 36.

The square root of 616212396 is about 24823.6257625674. The cubic root of 616212396 is about 850.9619540729.

The spelling of 616212396 in words is "six hundred sixteen million, two hundred twelve thousand, three hundred ninety-six".