406456534 has 16 divisors (see below), whose sum is σ = 681334416. Its totient is φ = 180246400.

The previous prime is 406456471. The next prime is 406456543. The reversal of 406456534 is 435654604.

It is a junction number, because it is equal to n+sod(n) for n = 406456493 and 406456502.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 224407 + ... + 226210.

It is an arithmetic number, because the mean of its divisors is an integer number (42583401).

Almost surely, 2^406456534 is an apocalyptic number.

406456534 is a deficient number, since it is larger than the sum of its proper divisors (274877882).

406456534 is a wasteful number, since it uses less digits than its factorization.

406456534 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 450671.

The product of its (nonzero) digits is 172800, while the sum is 37.

The square root of 406456534 is about 20160.7671977036. The cubic root of 406456534 is about 740.7495047951.

The spelling of 406456534 in words is "four hundred six million, four hundred fifty-six thousand, five hundred thirty-four".