3400863 has 4 divisors (see below), whose sum is σ = 4534488. Its totient is φ = 2267240.

The previous prime is 3400847. The next prime is 3400877. The reversal of 3400863 is 3680043.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3680043 = 3 ⋅1226681.

It is a cyclic number.

It is not a de Polignac number, because 3400863 - 2⁴ = 3400847 is a prime.

It is a D-number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3400823) 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, 566808 + ... + 566813.

It is an arithmetic number, because the mean of its divisors is an integer number (1133622).

Almost surely, 2^3400863 is an apocalyptic number.

3400863 is a deficient number, since it is larger than the sum of its proper divisors (1133625).

3400863 is a wasteful number, since it uses less digits than its factorization.

3400863 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1133624.

The product of its (nonzero) digits is 1728, while the sum is 24.

The square root of 3400863 is about 1844.1428903423. The cubic root of 3400863 is about 150.3821809799.

The spelling of 3400863 in words is "three million, four hundred thousand, eight hundred sixty-three".