3421490 has 32 divisors (see below), whose sum is σ = 6428160. Its totient is φ = 1310400.

The previous prime is 3421447. The next prime is 3421499. The reversal of 3421490 is 941243.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3421499) 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, 43271 + ... + 43349.

It is an arithmetic number, because the mean of its divisors is an integer number (200880).

Almost surely, 2^3421490 is an apocalyptic number.

3421490 is a deficient number, since it is larger than the sum of its proper divisors (3006670).

3421490 is a wasteful number, since it uses less digits than its factorization.

3421490 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 218.

The product of its (nonzero) digits is 864, while the sum is 23.

The square root of 3421490 is about 1849.7270068851. The cubic root of 3421490 is about 150.6856022963.

The spelling of 3421490 in words is "three million, four hundred twenty-one thousand, four hundred ninety".