3620978367 has 16 divisors (see below), whose sum is σ = 5005203840. Its totient is φ = 2325727712.

The previous prime is 3620978353. The next prime is 3620978369. The reversal of 3620978367 is 7638790263.

It is a cyclic number.

It is not a de Polignac number, because 3620978367 - 2⁶ = 3620978303 is a prime.

It is a super-2 number, since 2×3620978367² = 26222968668563973378, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3620978369) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3933 + ... + 85190.

It is an arithmetic number, because the mean of its divisors is an integer number (312825240).

Almost surely, 2^3620978367 is an apocalyptic number.

3620978367 is a deficient number, since it is larger than the sum of its proper divisors (1384225473).

3620978367 is a wasteful number, since it uses less digits than its factorization.

3620978367 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 89622.

The product of its (nonzero) digits is 2286144, while the sum is 51.

The square root of 3620978367 is about 60174.5657815659. The cubic root of 3620978367 is about 1535.5901230606.

The spelling of 3620978367 in words is "three billion, six hundred twenty million, nine hundred seventy-eight thousand, three hundred sixty-seven".