3400987 has 8 divisors (see below), whose sum is σ = 3603456. Its totient is φ = 3203112.

The previous prime is 3400963. The next prime is 3400993. The reversal of 3400987 is 7890043.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 3400987 - 2¹¹ = 3398939 is a prime.

It is not an unprimeable number, because it can be changed into a prime (3400907) 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 7 ways as a sum of consecutive naturals, for example, 438 + ... + 2644.

It is an arithmetic number, because the mean of its divisors is an integer number (450432).

Almost surely, 2^3400987 is an apocalyptic number.

3400987 is a deficient number, since it is larger than the sum of its proper divisors (202469).

3400987 is a wasteful number, since it uses less digits than its factorization.

3400987 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2297.

The product of its (nonzero) digits is 6048, while the sum is 31.

The square root of 3400987 is about 1844.1765099903. The cubic root of 3400987 is about 150.3840086693.

The spelling of 3400987 in words is "three million, four hundred thousand, nine hundred eighty-seven".