690148 has 12 divisors (see below), whose sum is σ = 1233792. Its totient is φ = 337640.

The previous prime is 690143. The next prime is 690163. The reversal of 690148 is 841096.

690148 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (690143) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1648 + ... + 2023.

It is an arithmetic number, because the mean of its divisors is an integer number (102816).

2⁶⁹⁰¹⁴⁸ is an apocalyptic number.

It is an amenable number.

690148 is a deficient number, since it is larger than the sum of its proper divisors (543644).

690148 is a wasteful number, since it uses less digits than its factorization.

690148 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3722 (or 3720 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 28.

The square root of 690148 is about 830.7514670466. The cubic root of 690148 is about 88.3718766964.

It can be divided in two parts, 690 and 148, that added together give a palindrome (838).

The spelling of 690148 in words is "six hundred ninety thousand, one hundred forty-eight".