3746287649 has 8 divisors (see below), whose sum is σ = 4039846272. Its totient is φ = 3453498000.

The previous prime is 3746287607. The next prime is 3746287663. The reversal of 3746287649 is 9467826473.

3746287649 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3746287649 is a prime.

It is a super-2 number, since 2×3746287649² = 28069342298099894402, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3746287594 and 3746287603.

It is not an unprimeable number, because it can be changed into a prime (3746287049) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 182099 + ... + 201624.

It is an arithmetic number, because the mean of its divisors is an integer number (504980784).

Almost surely, 2^3746287649 is an apocalyptic number.

It is an amenable number.

3746287649 is a deficient number, since it is larger than the sum of its proper divisors (293558623).

3746287649 is a wasteful number, since it uses less digits than its factorization.

3746287649 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 384487.

The product of its digits is 12192768, while the sum is 56.

The square root of 3746287649 is about 61206.9248451513. The cubic root of 3746287649 is about 1553.1034109219.

The spelling of 3746287649 in words is "three billion, seven hundred forty-six million, two hundred eighty-seven thousand, six hundred forty-nine".