3428390 has 64 divisors (see below), whose sum is σ = 7755264. Its totient is φ = 1064448.

The previous prime is 3428389. The next prime is 3428413. The reversal of 3428390 is 938243.

3428390 = T₆ + T₇ + ... + T₂₇₃.

3428390 is nontrivially palindromic in base 6.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 51137 + ... + 51203.

It is an arithmetic number, because the mean of its divisors is an integer number (121176).

Almost surely, 2^3428390 is an apocalyptic number.

3428390 is an abundant number, since it is smaller than the sum of its proper divisors (4326874).

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

3428390 is a wasteful number, since it uses less digits than its factorization.

3428390 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 141.

The product of its (nonzero) digits is 5184, while the sum is 29.

The square root of 3428390 is about 1851.5912075834. The cubic root of 3428390 is about 150.7868284199.

The spelling of 3428390 in words is "three million, four hundred twenty-eight thousand, three hundred ninety".