3652428 has 36 divisors (see below), whose sum is σ = 9233448. Its totient is φ = 1123200.

The previous prime is 3652421. The next prime is 3652447. The reversal of 3652428 is 8242563.

It is a junction number, because it is equal to n+sod(n) for n = 3652395 and 3652404.

It is not an unprimeable number, because it can be changed into a prime (3652421) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1128 + ... + 2928.

Almost surely, 2^3652428 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 3652428, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4616724).

3652428 is an abundant number, since it is smaller than the sum of its proper divisors (5581020).

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

3652428 is a wasteful number, since it uses less digits than its factorization.

3652428 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1834 (or 1819 counting only the distinct ones).

The product of its digits is 11520, while the sum is 30.

The square root of 3652428 is about 1911.1326484575. The cubic root of 3652428 is about 154.0023050198.

The spelling of 3652428 in words is "three million, six hundred fifty-two thousand, four hundred twenty-eight".