3746688 has 64 divisors (see below), whose sum is σ = 10869120. Its totient is φ = 1134080.

The previous prime is 3746671. The next prime is 3746689. The reversal of 3746688 is 8866473.

It is a tau number, because it is divible by the number of its divisors (64).

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3746689) 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, 3781 + ... + 4667.

It is an arithmetic number, because the mean of its divisors is an integer number (169830).

Almost surely, 2^3746688 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3746688, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5434560).

3746688 is an abundant number, since it is smaller than the sum of its proper divisors (7122432).

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

3746688 is a wasteful number, since it uses less digits than its factorization.

3746688 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 915 (or 903 counting only the distinct ones).

The product of its digits is 193536, while the sum is 42.

The square root of 3746688 is about 1935.6363294793. The cubic root of 3746688 is about 155.3158733632.

The spelling of 3746688 in words is "three million, seven hundred forty-six thousand, six hundred eighty-eight".