694010397 has 32 divisors (see below), whose sum is σ = 1066953600. Its totient is φ = 398297088.

The previous prime is 694010381. The next prime is 694010399. The reversal of 694010397 is 793010496.

694010397 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 694010397 - 2⁴ = 694010381 is a prime.

It is a super-2 number, since 2×694010397² = 963300862288195218, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (694010399) 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, 15753 + ... + 40449.

It is an arithmetic number, because the mean of its divisors is an integer number (33342300).

Almost surely, 2^694010397 is an apocalyptic number.

It is an amenable number.

694010397 is a deficient number, since it is larger than the sum of its proper divisors (372943203).

694010397 is a wasteful number, since it uses less digits than its factorization.

694010397 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24765.

The product of its (nonzero) digits is 40824, while the sum is 39.

The square root of 694010397 is about 26344.0770762614. The cubic root of 694010397 is about 885.3642715056.

Subtracting 694010397 from its reverse (793010496), we obtain a palindrome (99000099).

The spelling of 694010397 in words is "six hundred ninety-four million, ten thousand, three hundred ninety-seven".