1396093690 has 32 divisors (see below), whose sum is σ = 2533918464. Its totient is φ = 553801920.

The previous prime is 1396093651. The next prime is 1396093693. The reversal of 1396093690 is 963906931.

It is a super-2 number, since 2×1396093690² = 3898155182515632200, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1396093690.

It is not an unprimeable number, because it can be changed into a prime (1396093693) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 722025 + ... + 723955.

It is an arithmetic number, because the mean of its divisors is an integer number (79184952).

Almost surely, 2^1396093690 is an apocalyptic number.

1396093690 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1396093690 is a deficient number, since it is larger than the sum of its proper divisors (1137824774).

1396093690 is a wasteful number, since it uses less digits than its factorization.

1396093690 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2502.

The product of its (nonzero) digits is 236196, while the sum is 46.

The square root of 1396093690 is about 37364.3371411832. The cubic root of 1396093690 is about 1117.6475095848.

The spelling of 1396093690 in words is "one billion, three hundred ninety-six million, ninety-three thousand, six hundred ninety".