406424652 has 12 divisors (see below), whose sum is σ = 948324216. Its totient is φ = 135474880.

The previous prime is 406424621. The next prime is 406424699. The reversal of 406424652 is 256424604.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×406424652² = 330361995506642208, which contains 22 as substring.

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, 16934349 + ... + 16934372.

It is an arithmetic number, because the mean of its divisors is an integer number (79027018).

Almost surely, 2^406424652 is an apocalyptic number.

It is an amenable number.

406424652 is an abundant number, since it is smaller than the sum of its proper divisors (541899564).

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

406424652 is a wasteful number, since it uses less digits than its factorization.

406424652 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33868728 (or 33868726 counting only the distinct ones).

The product of its (nonzero) digits is 46080, while the sum is 33.

The square root of 406424652 is about 20159.9764880815. The cubic root of 406424652 is about 740.7301364320.

The spelling of 406424652 in words is "four hundred six million, four hundred twenty-four thousand, six hundred fifty-two".