3426815 has 24 divisors (see below), whose sum is σ = 4875552. Its totient is φ = 2304960.

The previous prime is 3426811. The next prime is 3426823. The reversal of 3426815 is 5186243.

3426815 = 21² + 22² + ... + 217².

It is not a de Polignac number, because 3426815 - 2² = 3426811 is a prime.

It is a super-2 number, since 2×3426815² = 23486122088450, which contains 22 as substring.

It is an Ulam number.

It is a Duffinian number.

It is a plaindrome in base 16.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3426811) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 17297 + ... + 17493.

It is an arithmetic number, because the mean of its divisors is an integer number (203148).

Almost surely, 2^3426815 is an apocalyptic number.

3426815 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

3426815 is a deficient number, since it is larger than the sum of its proper divisors (1448737).

3426815 is a wasteful number, since it uses less digits than its factorization.

3426815 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 287 (or 280 counting only the distinct ones).

The product of its digits is 5760, while the sum is 29.

The square root of 3426815 is about 1851.1658488639. The cubic root of 3426815 is about 150.7637344281.

The spelling of 3426815 in words is "three million, four hundred twenty-six thousand, eight hundred fifteen".