3400057 has 4 divisors (see below), whose sum is σ = 3430260. Its totient is φ = 3369856.

The previous prime is 3400043. The next prime is 3400063. The reversal of 3400057 is 7500043.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 7500043 = 17 ⋅441179.

It can be written as a sum of positive squares in 2 ways, for example, as 657721 + 2742336 = 811^2 + 1656^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3400057 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 (3400087) 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, 14932 + ... + 15157.

It is an arithmetic number, because the mean of its divisors is an integer number (857565).

Almost surely, 2^3400057 is an apocalyptic number.

It is an amenable number.

3400057 is a deficient number, since it is larger than the sum of its proper divisors (30203).

3400057 is a wasteful number, since it uses less digits than its factorization.

3400057 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30202.

The product of its (nonzero) digits is 420, while the sum is 19.

The square root of 3400057 is about 1843.9243476889. The cubic root of 3400057 is about 150.3702999157.

The spelling of 3400057 in words is "three million, four hundred thousand, fifty-seven".