3420791 has 12 divisors (see below), whose sum is σ = 3983616. Its totient is φ = 2925120.

The previous prime is 3420787. The next prime is 3420793. The reversal of 3420791 is 1970243.

3420791 = T₉₀ + T₉₁ + ... + T₂₇₆.

It is not a de Polignac number, because 3420791 - 2² = 3420787 is a prime.

It is a super-2 number, since 2×3420791² = 23403622131362, which contains 22 as substring.

It is a hoax number, since the sum of its digits (26) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 3420791.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3420793) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1226 + ... + 2888.

It is an arithmetic number, because the mean of its divisors is an integer number (331968).

Almost surely, 2^3420791 is an apocalyptic number.

3420791 is a deficient number, since it is larger than the sum of its proper divisors (562825).

3420791 is a wasteful number, since it uses less digits than its factorization.

3420791 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1702 (or 1691 counting only the distinct ones).

The product of its (nonzero) digits is 1512, while the sum is 26.

The square root of 3420791 is about 1849.5380504331. The cubic root of 3420791 is about 150.6753400607.

The spelling of 3420791 in words is "three million, four hundred twenty thousand, seven hundred ninety-one".