3652389 has 48 divisors (see below), whose sum is σ = 6289920. Its totient is φ = 2021760.

The previous prime is 3652387. The next prime is 3652391. The reversal of 3652389 is 9832563.

It is an interprime number because it is at equal distance from previous prime (3652387) and next prime (3652391).

It is not a de Polignac number, because 3652389 - 2¹ = 3652387 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3652387) 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, 68887 + ... + 68939.

It is an arithmetic number, because the mean of its divisors is an integer number (131040).

Almost surely, 2^3652389 is an apocalyptic number.

3652389 is a gapful number since it is divisible by the number (39) formed by its first and last digit.

3652389 is the 1209-th heptagonal number.

It is an amenable number.

3652389 is a deficient number, since it is larger than the sum of its proper divisors (2637531).

3652389 is a wasteful number, since it uses less digits than its factorization.

3652389 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 122 (or 119 counting only the distinct ones).

The product of its digits is 38880, while the sum is 36.

The square root of 3652389 is about 1911.1224450568. The cubic root of 3652389 is about 154.0017568811.

It can be divided in two parts, 36 and 52389, that added together give a palindrome (52425).

The spelling of 3652389 in words is "three million, six hundred fifty-two thousand, three hundred eighty-nine".