690296943 has 32 divisors (see below), whose sum is σ = 1082916864. Its totient is φ = 382953312.

The previous prime is 690296941. The next prime is 690296977. The reversal of 690296943 is 349692096.

It is not a de Polignac number, because 690296943 - 2¹ = 690296941 is a prime.

It is a Smith number, since the sum of its digits (48) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a junction number, because it is equal to n+sod(n) for n = 690296892 and 690296901.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (690296941) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 122596 + ... + 128102.

It is an arithmetic number, because the mean of its divisors is an integer number (33841152).

Almost surely, 2^690296943 is an apocalyptic number.

690296943 is a deficient number, since it is larger than the sum of its proper divisors (392619921).

690296943 is a wasteful number, since it uses less digits than its factorization.

690296943 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5691.

The product of its (nonzero) digits is 629856, while the sum is 48.

The square root of 690296943 is about 26273.5026785543. The cubic root of 690296943 is about 883.7823350958.

The spelling of 690296943 in words is "six hundred ninety million, two hundred ninety-six thousand, nine hundred forty-three".