3502444 has 12 divisors (see below), whose sum is σ = 6686568. Its totient is φ = 1592000.

The previous prime is 3502439. The next prime is 3502489. The reversal of 3502444 is 4442053.

It is a happy number.

It is a super-2 number, since 2×3502444² = 24534227946272, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (22).

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, 39757 + ... + 39844.

It is an arithmetic number, because the mean of its divisors is an integer number (557214).

Almost surely, 2^3502444 is an apocalyptic number.

It is an amenable number.

3502444 is a deficient number, since it is larger than the sum of its proper divisors (3184124).

3502444 is a wasteful number, since it uses less digits than its factorization.

3502444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79616 (or 79614 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 22.

The square root of 3502444 is about 1871.4817658743. The cubic root of 3502444 is about 151.8647804828.

Adding to 3502444 its reverse (4442053), we get a palindrome (7944497).

The spelling of 3502444 in words is "three million, five hundred two thousand, four hundred forty-four".