406734438 has 32 divisors (see below), whose sum is σ = 926007552. Its totient is φ = 117893600.

The previous prime is 406734413. The next prime is 406734443. The reversal of 406734438 is 834437604.

It is a super-4 number, since 4×406734438⁴ (a number of 36 digits) contains 4444 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 406734396 and 406734405.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 132453 + ... + 135488.

It is an arithmetic number, because the mean of its divisors is an integer number (28937736).

Almost surely, 2^406734438 is an apocalyptic number.

406734438 is an abundant number, since it is smaller than the sum of its proper divisors (519273114).

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

406734438 is a wasteful number, since it uses less digits than its factorization.

406734438 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 267980.

The product of its (nonzero) digits is 193536, while the sum is 39.

The square root of 406734438 is about 20167.6582180480. The cubic root of 406734438 is about 740.9182890188.

The spelling of 406734438 in words is "four hundred six million, seven hundred thirty-four thousand, four hundred thirty-eight".