1396889354 has 48 divisors (see below), whose sum is σ = 2610082440. Its totient is φ = 557061120.

The previous prime is 1396889353. The next prime is 1396889381. The reversal of 1396889354 is 4539886931.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 1075512025 + 321377329 = 32795^2 + 17927^2 .

It is a super-3 number, since 3×1396889354³ (a number of 28 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1396889354.

It is not an unprimeable number, because it can be changed into a prime (1396889353) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 143564 + ... + 152984.

Almost surely, 2^1396889354 is an apocalyptic number.

1396889354 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

1396889354 is a deficient number, since it is larger than the sum of its proper divisors (1213193086).

1396889354 is a wasteful number, since it uses less digits than its factorization.

1396889354 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9543 (or 9536 counting only the distinct ones).

The product of its digits is 5598720, while the sum is 56.

The square root of 1396889354 is about 37374.9829966517. The cubic root of 1396889354 is about 1117.8597930941.

The spelling of 1396889354 in words is "one billion, three hundred ninety-six million, eight hundred eighty-nine thousand, three hundred fifty-four".