3400679 has 4 divisors (see below), whose sum is σ = 3427584. Its totient is φ = 3373776.

The previous prime is 3400673. The next prime is 3400681. The reversal of 3400679 is 9760043.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3400679 is a prime.

It is a super-2 number, since 2×3400679² = 23129235322082, which contains 22 as substring.

It is a Duffinian number.

It is a zygodrome in base 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3400673) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13262 + ... + 13515.

It is an arithmetic number, because the mean of its divisors is an integer number (856896).

Almost surely, 2^3400679 is an apocalyptic number.

3400679 is a deficient number, since it is larger than the sum of its proper divisors (26905).

3400679 is a wasteful number, since it uses less digits than its factorization.

3400679 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26904.

The product of its (nonzero) digits is 4536, while the sum is 29.

The square root of 3400679 is about 1844.0930019931. The cubic root of 3400679 is about 150.3794688428.

It can be divided in two parts, 340067 and 9, that multiplied together give a palindrome (3060603).

The spelling of 3400679 in words is "three million, four hundred thousand, six hundred seventy-nine".