1396698237 has 48 divisors (see below), whose sum is σ = 2267673408. Its totient is φ = 820938240.

The previous prime is 1396698221. The next prime is 1396698239. The reversal of 1396698237 is 7328966931.

It is not a de Polignac number, because 1396698237 - 2⁴ = 1396698221 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1396698239) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2171838 + ... + 2172480.

It is an arithmetic number, because the mean of its divisors is an integer number (47243196).

Almost surely, 2^1396698237 is an apocalyptic number.

It is an amenable number.

1396698237 is a deficient number, since it is larger than the sum of its proper divisors (870975171).

1396698237 is a wasteful number, since it uses less digits than its factorization.

1396698237 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1290 (or 1287 counting only the distinct ones).

The product of its digits is 2939328, while the sum is 54.

The square root of 1396698237 is about 37372.4261588674. The cubic root of 1396698237 is about 1117.8088103508.

The spelling of 1396698237 in words is "one billion, three hundred ninety-six million, six hundred ninety-eight thousand, two hundred thirty-seven".