3685744380 has 48 divisors (see below), whose sum is σ = 10652995584. Its totient is φ = 951159360.

The previous prime is 3685744367. The next prime is 3685744409. The reversal of 3685744380 is 834475863.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 988932 + ... + 992651.

It is an arithmetic number, because the mean of its divisors is an integer number (221937408).

Almost surely, 2^3685744380 is an apocalyptic number.

3685744380 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

3685744380 is an abundant number, since it is smaller than the sum of its proper divisors (6967251204).

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

3685744380 is a wasteful number, since it uses less digits than its factorization.

3685744380 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1981626 (or 1981624 counting only the distinct ones).

The product of its (nonzero) digits is 1935360, while the sum is 48.

The square root of 3685744380 is about 60710.3317401577. The cubic root of 3685744380 is about 1544.6914309246.

The spelling of 3685744380 in words is "three billion, six hundred eighty-five million, seven hundred forty-four thousand, three hundred eighty".