3502428 has 12 divisors (see below), whose sum is σ = 8172360. Its totient is φ = 1167472.

The previous prime is 3502427. The next prime is 3502439. The reversal of 3502428 is 8242053.

It is a tau number, because it is divible by the number of its divisors (12).

It is a junction number, because it is equal to n+sod(n) for n = 3502398 and 3502407.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3502427) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 145923 + ... + 145946.

It is an arithmetic number, because the mean of its divisors is an integer number (681030).

Almost surely, 2^3502428 is an apocalyptic number.

It is an amenable number.

3502428 is an abundant number, since it is smaller than the sum of its proper divisors (4669932).

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

3502428 is a wasteful number, since it uses less digits than its factorization.

3502428 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 291876 (or 291874 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 24.

The square root of 3502428 is about 1871.4774911818. The cubic root of 3502428 is about 151.8645492309.

The spelling of 3502428 in words is "three million, five hundred two thousand, four hundred twenty-eight".