3669440 has 28 divisors (see below), whose sum is σ = 8738616. Its totient is φ = 1467648.

The previous prime is 3669427. The next prime is 3669469. The reversal of 3669440 is 449663.

It is a Harshad number since it is a multiple of its sum of digits (32).

It is a junction number, because it is equal to n+sod(n) for n = 3669397 and 3669406.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5414 + ... + 6053.

Almost surely, 2^3669440 is an apocalyptic number.

It is an amenable number.

3669440 is an abundant number, since it is smaller than the sum of its proper divisors (5069176).

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

3669440 is a wasteful number, since it uses less digits than its factorization.

3669440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11484 (or 11474 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 32.

The square root of 3669440 is about 1915.5782416806. The cubic root of 3669440 is about 154.2410348122.

The spelling of 3669440 in words is "three million, six hundred sixty-nine thousand, four hundred forty".