3620154638 has 8 divisors (see below), whose sum is σ = 5433021120. Its totient is φ = 1809147600.

The previous prime is 3620154631. The next prime is 3620154679. The reversal of 3620154638 is 8364510263.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×3620154638² = 26211039206065822088, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3620154631) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 459983 + ... + 467786.

It is an arithmetic number, because the mean of its divisors is an integer number (679127640).

Almost surely, 2^3620154638 is an apocalyptic number.

3620154638 is a deficient number, since it is larger than the sum of its proper divisors (1812866482).

3620154638 is a wasteful number, since it uses less digits than its factorization.

3620154638 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 929722.

The product of its (nonzero) digits is 103680, while the sum is 38.

The square root of 3620154638 is about 60167.7208975045. The cubic root of 3620154638 is about 1535.4736714723.

The spelling of 3620154638 in words is "three billion, six hundred twenty million, one hundred fifty-four thousand, six hundred thirty-eight".