690400062 has 48 divisors (see below), whose sum is σ = 1702816128. Its totient is φ = 200114640.

The previous prime is 690400043. The next prime is 690400069. The reversal of 690400062 is 260004096.

It is a junction number, because it is equal to n+sod(n) for n = 690399999 and 690400035.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (690400069) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 71248 + ... + 80355.

It is an arithmetic number, because the mean of its divisors is an integer number (35475336).

Almost surely, 2^690400062 is an apocalyptic number.

690400062 is an abundant number, since it is smaller than the sum of its proper divisors (1012416066).

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

690400062 is a wasteful number, since it uses less digits than its factorization.

690400062 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 151645 (or 151642 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 27.

The square root of 690400062 is about 26275.4650196719. The cubic root of 690400062 is about 883.8263404155.

The spelling of 690400062 in words is "six hundred ninety million, four hundred thousand, sixty-two".