3400487 has 4 divisors (see below), whose sum is σ = 3579480. Its totient is φ = 3221496.

The previous prime is 3400471. The next prime is 3400517. The reversal of 3400487 is 7840043.

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

It is a cyclic number.

It is not a de Polignac number, because 3400487 - 2⁴ = 3400471 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3400457) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 89468 + ... + 89505.

It is an arithmetic number, because the mean of its divisors is an integer number (894870).

Almost surely, 2^3400487 is an apocalyptic number.

3400487 is a deficient number, since it is larger than the sum of its proper divisors (178993).

3400487 is a wasteful number, since it uses less digits than its factorization.

3400487 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 178992.

The product of its (nonzero) digits is 2688, while the sum is 26.

The square root of 3400487 is about 1844.0409431463. The cubic root of 3400487 is about 150.3766386823.

The spelling of 3400487 in words is "three million, four hundred thousand, four hundred eighty-seven".