3689430 has 32 divisors (see below), whose sum is σ = 9241344. Its totient is φ = 940896.

The previous prime is 3689423. The next prime is 3689461. The reversal of 3689430 is 349863.

It is a super-2 number, since 2×3689430² = 27223787449800, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 3689391 and 3689400.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1984 + ... + 3363.

It is an arithmetic number, because the mean of its divisors is an integer number (288792).

Almost surely, 2^3689430 is an apocalyptic number.

3689430 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

3689430 is an abundant number, since it is smaller than the sum of its proper divisors (5551914).

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

3689430 is a wasteful number, since it uses less digits than its factorization.

3689430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5380.

The product of its (nonzero) digits is 15552, while the sum is 33.

The square root of 3689430 is about 1920.7889004261. The cubic root of 3689430 is about 154.5206139167.

The spelling of 3689430 in words is "three million, six hundred eighty-nine thousand, four hundred thirty".