690348048 has 80 divisors (see below), whose sum is σ = 1924460160. Its totient is φ = 211986432.

The previous prime is 690348007. The next prime is 690348073. The reversal of 690348048 is 840843096.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 462888 + ... + 464376.

It is an arithmetic number, because the mean of its divisors is an integer number (24055752).

Almost surely, 2^690348048 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 690348048, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (962230080).

690348048 is an abundant number, since it is smaller than the sum of its proper divisors (1234112112).

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

690348048 is a wasteful number, since it uses less digits than its factorization.

690348048 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2256 (or 2250 counting only the distinct ones).

The product of its (nonzero) digits is 165888, while the sum is 42.

The square root of 690348048 is about 26274.4752183559. The cubic root of 690348048 is about 883.8041443486.

The spelling of 690348048 in words is "six hundred ninety million, three hundred forty-eight thousand, forty-eight".