406418734 has 8 divisors (see below), whose sum is σ = 621130680. Its totient is φ = 199375176.

The previous prime is 406418699. The next prime is 406418743. The reversal of 406418734 is 437814604.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 406418693 and 406418702.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1916964 + ... + 1917175.

It is an arithmetic number, because the mean of its divisors is an integer number (77641335).

Almost surely, 2^406418734 is an apocalyptic number.

406418734 is a deficient number, since it is larger than the sum of its proper divisors (214711946).

406418734 is a wasteful number, since it uses less digits than its factorization.

406418734 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3834194.

The product of its (nonzero) digits is 64512, while the sum is 37.

The square root of 406418734 is about 20159.8297115824. The cubic root of 406418734 is about 740.7265411266.

The spelling of 406418734 in words is "four hundred six million, four hundred eighteen thousand, seven hundred thirty-four".