3756690 has 96 divisors (see below), whose sum is σ = 11456640. Its totient is φ = 836352.

The previous prime is 3756671. The next prime is 3756691. The reversal of 3756690 is 966573.

3756690 = 36² + 37² + ... + 224².

It is a happy number.

3756690 is a `hidden beast` number, since 3 + 7 + 566 + 90 = 666.

It is a super-2 number, since 2×3756690² = 28225439512200, which contains 22 as substring.

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (3756691) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 42166 + ... + 42254.

It is an arithmetic number, because the mean of its divisors is an integer number (119340).

Almost surely, 2^3756690 is an apocalyptic number.

3756690 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 3756690, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5728320).

3756690 is an abundant number, since it is smaller than the sum of its proper divisors (7699950).

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

3756690 is a wasteful number, since it uses less digits than its factorization.

3756690 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 176 (or 173 counting only the distinct ones).

The product of its (nonzero) digits is 34020, while the sum is 36.

The square root of 3756690 is about 1938.2182539642. The cubic root of 3756690 is about 155.4539587916.

The spelling of 3756690 in words is "three million, seven hundred fifty-six thousand, six hundred ninety".