406619924 has 6 divisors (see below), whose sum is σ = 711584874. Its totient is φ = 203309960.

The previous prime is 406619909. The next prime is 406619947. The reversal of 406619924 is 429916604.

It can be written as a sum of positive squares in only one way, i.e., 405297424 + 1322500 = 20132^2 + 1150^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50827487 + ... + 50827494.

It is an arithmetic number, because the mean of its divisors is an integer number (118597479).

Almost surely, 2^406619924 is an apocalyptic number.

It is an amenable number.

406619924 is a deficient number, since it is larger than the sum of its proper divisors (304964950).

406619924 is a wasteful number, since it uses less digits than its factorization.

406619924 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 101654985 (or 101654983 counting only the distinct ones).

The product of its (nonzero) digits is 93312, while the sum is 41.

The square root of 406619924 is about 20164.8189676972. The cubic root of 406619924 is about 740.8487485744.

The spelling of 406619924 in words is "four hundred six million, six hundred nineteen thousand, nine hundred twenty-four".