406649088 has 54 divisors (see below), whose sum is σ = 1172476214. Its totient is φ = 135548928.

The previous prime is 406649083. The next prime is 406649093. The reversal of 406649088 is 880946604.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (406649083) and next prime (406649093).

It can be written as a sum of positive squares in only one way, i.e., 385415424 + 21233664 = 19632^2 + 4608^2 .

It is not an unprimeable number, because it can be changed into a prime (406649083) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 85945 + ... + 90552.

Almost surely, 2^406649088 is an apocalyptic number.

406649088 is a gapful number since it is divisible by the number (48) formed by its first and last digit.

It is an amenable number.

406649088 is an abundant number, since it is smaller than the sum of its proper divisors (765827126).

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

406649088 is a wasteful number, since it uses less digits than its factorization.

406649088 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 176519 (or 176502 counting only the distinct ones).

The product of its (nonzero) digits is 331776, while the sum is 45.

The square root of 406649088 is about 20165.5420953665. The cubic root of 406649088 is about 740.8664601154.

The spelling of 406649088 in words is "four hundred six million, six hundred forty-nine thousand, eighty-eight".