3449628 has 126 divisors (see below), whose sum is σ = 11201064. Its totient is φ = 909792.

The previous prime is 3449603. The next prime is 3449653. The reversal of 3449628 is 8269443.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (3449603) and next prime (3449653).

It is a tau number, because it is divible by the number of its divisors (126).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 3449592 and 3449601.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 41 ways as a sum of consecutive naturals, for example, 265350 + ... + 265362.

Almost surely, 2^3449628 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 3449628, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5600532).

3449628 is an abundant number, since it is smaller than the sum of its proper divisors (7751436).

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

3449628 is a wasteful number, since it uses less digits than its factorization.

3449628 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55 (or 25 counting only the distinct ones).

The product of its digits is 41472, while the sum is 36.

The square root of 3449628 is about 1857.3174203673. The cubic root of 3449628 is about 151.0975496448.

The spelling of 3449628 in words is "three million, four hundred forty-nine thousand, six hundred twenty-eight".