3693944340 has 72 divisors (see below), whose sum is σ = 11225174688. Its totient is φ = 983275200.

The previous prime is 3693944329. The next prime is 3693944341. The reversal of 3693944340 is 434493963.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3693944341) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 83115 + ... + 119565.

It is an arithmetic number, because the mean of its divisors is an integer number (155905204).

Almost surely, 2^3693944340 is an apocalyptic number.

3693944340 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

3693944340 is an abundant number, since it is smaller than the sum of its proper divisors (7531230348).

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

3693944340 is a wasteful number, since it uses less digits than its factorization.

3693944340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37029 (or 37024 counting only the distinct ones).

The product of its (nonzero) digits is 839808, while the sum is 45.

The square root of 3693944340 is about 60777.8277005686. The cubic root of 3693944340 is about 1545.8361138726.

The spelling of 3693944340 in words is "three billion, six hundred ninety-three million, nine hundred forty-four thousand, three hundred forty".