690354 has 24 divisors (see below), whose sum is σ = 1709760. Its totient is φ = 197208.

The previous prime is 690341. The next prime is 690367. The reversal of 690354 is 453096.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (690341) and next prime (690367).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2614 + ... + 2865.

It is an arithmetic number, because the mean of its divisors is an integer number (71240).

2⁶⁹⁰³⁵⁴ is an apocalyptic number.

690354 is an abundant number, since it is smaller than the sum of its proper divisors (1019406).

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

690354 is a wasteful number, since it uses less digits than its factorization.

690354 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5494 (or 5491 counting only the distinct ones).

The product of its (nonzero) digits is 3240, while the sum is 27.

The square root of 690354 is about 830.8754419286. The cubic root of 690354 is about 88.3806684317.

The spelling of 690354 in words is "six hundred ninety thousand, three hundred fifty-four".