3658984690 has 8 divisors (see below), whose sum is σ = 6586172460. Its totient is φ = 1463593872.

The previous prime is 3658984673. The next prime is 3658984697. The reversal of 3658984690 is 964898563.

It can be written as a sum of positive squares in 2 ways, for example, as 3640070889 + 18913801 = 60333^2 + 4349^2 .

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

It is a super-2 number, since 2×3658984690² = 26776337923308792200, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (3658984697) 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, 182949225 + ... + 182949244.

Almost surely, 2^3658984690 is an apocalyptic number.

3658984690 is a deficient number, since it is larger than the sum of its proper divisors (2927187770).

3658984690 is a wasteful number, since it uses less digits than its factorization.

3658984690 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 365898476.

The product of its (nonzero) digits is 11197440, while the sum is 58.

The square root of 3658984690 is about 60489.5419886777. The cubic root of 3658984690 is about 1540.9440282038.

The spelling of 3658984690 in words is "three billion, six hundred fifty-eight million, nine hundred eighty-four thousand, six hundred ninety".