1038690697 has 8 divisors (see below), whose sum is σ = 1137301632. Its totient is φ = 940777200.

The previous prime is 1038690673. The next prime is 1038690703. The reversal of 1038690697 is 7960968301.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1038690697 - 2²⁷ = 904472969 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1038690697.

It is not an unprimeable number, because it can be changed into a prime (1038690637) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 171238 + ... + 177199.

It is an arithmetic number, because the mean of its divisors is an integer number (142162704).

Almost surely, 2^1038690697 is an apocalyptic number.

It is an amenable number.

1038690697 is a deficient number, since it is larger than the sum of its proper divisors (98610935).

1038690697 is a wasteful number, since it uses less digits than its factorization.

1038690697 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 348719.

The product of its (nonzero) digits is 489888, while the sum is 49.

The square root of 1038690697 is about 32228.7247187971. The cubic root of 1038690697 is about 1012.7340545529.

The spelling of 1038690697 in words is "one billion, thirty-eight million, six hundred ninety thousand, six hundred ninety-seven".