3420951 has 16 divisors (see below), whose sum is σ = 4874496. Its totient is φ = 2128896.

The previous prime is 3420919. The next prime is 3420959. The reversal of 3420951 is 1590243.

3420951 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 3420951 - 2⁵ = 3420919 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3420959) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2391 + ... + 3543.

It is an arithmetic number, because the mean of its divisors is an integer number (304656).

Almost surely, 2^3420951 is an apocalyptic number.

3420951 is the 989-th nonagonal number.

3420951 is a deficient number, since it is larger than the sum of its proper divisors (1453545).

3420951 is a wasteful number, since it uses less digits than its factorization.

3420951 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1222.

The product of its (nonzero) digits is 1080, while the sum is 24.

The square root of 3420951 is about 1849.5813039713. The cubic root of 3420951 is about 150.6776891937.

It can be divided in two parts, 3420 and 951, that added together give a triangular number (4371 = T₉₃).

The spelling of 3420951 in words is "three million, four hundred twenty thousand, nine hundred fifty-one".