1036397855 has 8 divisors (see below), whose sum is σ = 1250549664. Its totient is φ = 824536800.

The previous prime is 1036397839. The next prime is 1036397903. The reversal of 1036397855 is 5587936301.

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

It is not a de Polignac number, because 1036397855 - 2⁴ = 1036397839 is a prime.

It is a super-3 number, since 3×1036397855³ (a number of 28 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 571691 + ... + 573500.

It is an arithmetic number, because the mean of its divisors is an integer number (156318708).

Almost surely, 2^1036397855 is an apocalyptic number.

1036397855 is a deficient number, since it is larger than the sum of its proper divisors (214151809).

1036397855 is a wasteful number, since it uses less digits than its factorization.

1036397855 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1145377.

The product of its (nonzero) digits is 680400, while the sum is 47.

The square root of 1036397855 is about 32193.1336623200. The cubic root of 1036397855 is about 1011.9883240983.

The spelling of 1036397855 in words is "one billion, thirty-six million, three hundred ninety-seven thousand, eight hundred fifty-five".