3690738 has 32 divisors (see below), whose sum is σ = 8406720. Its totient is φ = 1199520.

The previous prime is 3690737. The next prime is 3690763. The reversal of 3690738 is 8370963.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (3690737) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1381 + ... + 3047.

It is an arithmetic number, because the mean of its divisors is an integer number (262710).

Almost surely, 2^3690738 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3690738, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4203360).

3690738 is an abundant number, since it is smaller than the sum of its proper divisors (4715982).

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

3690738 is a wasteful number, since it uses less digits than its factorization.

3690738 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1719 (or 1713 counting only the distinct ones).

The product of its (nonzero) digits is 27216, while the sum is 36.

The square root of 3690738 is about 1921.1293553533. The cubic root of 3690738 is about 154.5388723001.

The spelling of 3690738 in words is "three million, six hundred ninety thousand, seven hundred thirty-eight".