3658701312 has 240 divisors, whose sum is σ = 12517657152. Its totient is φ = 1045094400.

The previous prime is 3658701307. The next prime is 3658701341. The reversal of 3658701312 is 2131078563.

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

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 868812 + ... + 873012.

Almost surely, 2^3658701312 is an apocalyptic number.

3658701312 is a gapful number since it is divisible by the number (32) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3658701312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6258828576).

3658701312 is an abundant number, since it is smaller than the sum of its proper divisors (8858955840).

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

3658701312 is an frugal number, since it uses more digits than its factorization.

3658701312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4241 (or 4213 counting only the distinct ones).

The product of its (nonzero) digits is 30240, while the sum is 36.

The square root of 3658701312 is about 60487.1995714796. The cubic root of 3658701312 is about 1540.9042465934.

Adding to 3658701312 its reverse (2131078563), we get a palindrome (5789779875).

The spelling of 3658701312 in words is "three billion, six hundred fifty-eight million, seven hundred one thousand, three hundred twelve".