3420190 has 32 divisors (see below), whose sum is σ = 6635520. Its totient is φ = 1265184.

The previous prime is 3420187. The next prime is 3420191. The reversal of 3420190 is 910243.

It is a super-2 number, since 2×3420190² = 23395399272200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3420191) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8739 + ... + 9121.

It is an arithmetic number, because the mean of its divisors is an integer number (207360).

Almost surely, 2^3420190 is an apocalyptic number.

3420190 is a deficient number, since it is larger than the sum of its proper divisors (3215330).

3420190 is a wasteful number, since it uses less digits than its factorization.

3420190 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 456.

The product of its (nonzero) digits is 216, while the sum is 19.

The square root of 3420190 is about 1849.3755702939. The cubic root of 3420190 is about 150.6665154757. Note that the first 3 decimals are identical.

The spelling of 3420190 in words is "three million, four hundred twenty thousand, one hundred ninety".