406772852 has 6 divisors (see below), whose sum is σ = 711852498. Its totient is φ = 203386424.

The previous prime is 406772837. The next prime is 406772867. The reversal of 406772852 is 258277604.

It is an interprime number because it is at equal distance from previous prime (406772837) and next prime (406772867).

It can be written as a sum of positive squares in only one way, i.e., 236052496 + 170720356 = 15364^2 + 13066^2 .

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, 50846603 + ... + 50846610.

It is an arithmetic number, because the mean of its divisors is an integer number (118642083).

Almost surely, 2^406772852 is an apocalyptic number.

It is an amenable number.

406772852 is a deficient number, since it is larger than the sum of its proper divisors (305079646).

406772852 is a wasteful number, since it uses less digits than its factorization.

406772852 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 101693217 (or 101693215 counting only the distinct ones).

The product of its (nonzero) digits is 188160, while the sum is 41.

The square root of 406772852 is about 20168.6105619599. The cubic root of 406772852 is about 740.9416136065.

The spelling of 406772852 in words is "four hundred six million, seven hundred seventy-two thousand, eight hundred fifty-two".