406212436 has 12 divisors (see below), whose sum is σ = 812424928. Its totient is φ = 174091032.

The previous prime is 406212413. The next prime is 406212473. The reversal of 406212436 is 634212604.

406212436 is an admirable number.

It is a super-2 number, since 2×406212436² = 330017086322108192, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (28), and also a Moran number because the ratio is a prime number: 14507587 = 406212436 / (4 + 0 + 6 + 2 + 1 + 2 + 4 + 3 + 6).

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, 7253766 + ... + 7253821.

Almost surely, 2^406212436 is an apocalyptic number.

It is an amenable number.

406212436 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

406212436 is a wasteful number, since it uses less digits than its factorization.

406212436 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14507598 (or 14507596 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 28.

The square root of 406212436 is about 20154.7125010505. The cubic root of 406212436 is about 740.6011890747.

The spelling of 406212436 in words is "four hundred six million, two hundred twelve thousand, four hundred thirty-six".