3400427 has 8 divisors (see below), whose sum is σ = 3510864. Its totient is φ = 3291808.

The previous prime is 3400409. The next prime is 3400457. The reversal of 3400427 is 7240043.

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 3400427 - 2¹⁸ = 3138283 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3400399 and 3400408.

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

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4013 + ... + 4785.

It is an arithmetic number, because the mean of its divisors is an integer number (438858).

Almost surely, 2^3400427 is an apocalyptic number.

3400427 is a deficient number, since it is larger than the sum of its proper divisors (110437).

3400427 is an equidigital number, since it uses as much as digits as its factorization.

3400427 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 909.

The product of its (nonzero) digits is 672, while the sum is 20.

The square root of 3400427 is about 1844.0246744553. The cubic root of 3400427 is about 150.3757542354.

The spelling of 3400427 in words is "three million, four hundred thousand, four hundred twenty-seven".