3537432 has 80 divisors (see below), whose sum is σ = 10193040. Its totient is φ = 1145664.

The previous prime is 3537431. The next prime is 3537467. The reversal of 3537432 is 2347353.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 3537396 and 3537405.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3537431) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 34293 + ... + 34395.

It is an arithmetic number, because the mean of its divisors is an integer number (127413).

Almost surely, 2^3537432 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 3537432, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5096520).

3537432 is an abundant number, since it is smaller than the sum of its proper divisors (6655608).

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

3537432 is a wasteful number, since it uses less digits than its factorization.

3537432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 174 (or 161 counting only the distinct ones).

The product of its digits is 7560, while the sum is 27.

The square root of 3537432 is about 1880.8062101131. The cubic root of 3537432 is about 152.3687951487.

It can be divided in two parts, 3537 and 432, that added together give a square (3969 = 63²).

The spelling of 3537432 in words is "three million, five hundred thirty-seven thousand, four hundred thirty-two".