13900398 has 16 divisors (see below), whose sum is σ = 27919056. Its totient is φ = 4613760.

The previous prime is 13900387. The next prime is 13900409. The reversal of 13900398 is 89300931.

13900398 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (13900387) and next prime (13900409).

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, 3361 + ... + 6252.

It is an arithmetic number, because the mean of its divisors is an integer number (1744941).

Almost surely, 2^13900398 is an apocalyptic number.

13900398 is an abundant number, since it is smaller than the sum of its proper divisors (14018658).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13900398 is a wasteful number, since it uses less digits than its factorization.

13900398 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9859.

The product of its (nonzero) digits is 5832, while the sum is 33.

The square root of 13900398 is about 3728.3237520366. The cubic root of 13900398 is about 240.4413060954.

The spelling of 13900398 in words is "thirteen million, nine hundred thousand, three hundred ninety-eight".