3538740 has 24 divisors (see below), whose sum is σ = 9908640. Its totient is φ = 943648.

The previous prime is 3538699. The next prime is 3538747. The reversal of 3538740 is 478353.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 3538698 and 3538707.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3538747) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 29430 + ... + 29549.

It is an arithmetic number, because the mean of its divisors is an integer number (412860).

Almost surely, 2^3538740 is an apocalyptic number.

3538740 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

3538740 is an abundant number, since it is smaller than the sum of its proper divisors (6369900).

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

3538740 is a wasteful number, since it uses less digits than its factorization.

3538740 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58991 (or 58989 counting only the distinct ones).

The product of its (nonzero) digits is 10080, while the sum is 30.

The square root of 3538740 is about 1881.1539012000. The cubic root of 3538740 is about 152.3875727840.

It can be divided in two parts, 3538 and 740, that added together give a triangular number (4278 = T₉₂).

The spelling of 3538740 in words is "three million, five hundred thirty-eight thousand, seven hundred forty".