406742804 has 24 divisors (see below), whose sum is σ = 806900640. Its totient is φ = 177846624.

The previous prime is 406742803. The next prime is 406742807. The reversal of 406742804 is 408247604.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (406742803) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 204854 + ... + 206829.

It is an arithmetic number, because the mean of its divisors is an integer number (33620860).

Almost surely, 2^406742804 is an apocalyptic number.

It is an amenable number.

406742804 is a deficient number, since it is larger than the sum of its proper divisors (400157836).

406742804 is a wasteful number, since it uses less digits than its factorization.

406742804 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 411719 (or 411717 counting only the distinct ones).

The product of its (nonzero) digits is 43008, while the sum is 35.

The square root of 406742804 is about 20167.8656282711. The cubic root of 406742804 is about 740.9233688935.

The spelling of 406742804 in words is "four hundred six million, seven hundred forty-two thousand, eight hundred four".