408126894 has 16 divisors (see below), whose sum is σ = 932861568. Its totient is φ = 116607672.

The previous prime is 408126893. The next prime is 408126899. The reversal of 408126894 is 498621804.

It is a Harshad number since it is a multiple of its sum of digits (42), and also a Moran number because the ratio is a prime number: 9717307 = 408126894 / (4 + 0 + 8 + 1 + 2 + 6 + 8 + 9 + 4).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (408126893) 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, 4858612 + ... + 4858695.

It is an arithmetic number, because the mean of its divisors is an integer number (58303848).

Almost surely, 2^408126894 is an apocalyptic number.

408126894 is an abundant number, since it is smaller than the sum of its proper divisors (524734674).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

408126894 is a wasteful number, since it uses less digits than its factorization.

408126894 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9717319.

The product of its (nonzero) digits is 110592, while the sum is 42.

The square root of 408126894 is about 20202.1507270884. The cubic root of 408126894 is about 741.7628376294.

The spelling of 408126894 in words is "four hundred eight million, one hundred twenty-six thousand, eight hundred ninety-four".