690203952 has 60 divisors (see below), whose sum is σ = 1942476120. Its totient is φ = 228774144.

The previous prime is 690203929. The next prime is 690204041. The reversal of 690203952 is 259302096.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 12388 + ... + 39164.

It is an arithmetic number, because the mean of its divisors is an integer number (32374602).

Almost surely, 2^690203952 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 690203952, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (971238060).

690203952 is an abundant number, since it is smaller than the sum of its proper divisors (1252272168).

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

690203952 is a wasteful number, since it uses less digits than its factorization.

690203952 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26970 (or 26961 counting only the distinct ones).

The product of its (nonzero) digits is 29160, while the sum is 36.

The square root of 690203952 is about 26271.7329462676. The cubic root of 690203952 is about 883.7426480719.

The spelling of 690203952 in words is "six hundred ninety million, two hundred three thousand, nine hundred fifty-two".