13900464 has 80 divisors (see below), whose sum is σ = 41664000. Its totient is φ = 4428864.

The previous prime is 13900463. The next prime is 13900499. The reversal of 13900464 is 46400931.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (13900463) 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, 9237 + ... + 10635.

It is an arithmetic number, because the mean of its divisors is an integer number (520800).

Almost surely, 2^13900464 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13900464, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (20832000).

13900464 is an abundant number, since it is smaller than the sum of its proper divisors (27763536).

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

13900464 is a wasteful number, since it uses less digits than its factorization.

13900464 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1439 (or 1427 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 27.

The square root of 13900464 is about 3728.3326031887. The cubic root of 13900464 is about 240.4416866385.

The spelling of 13900464 in words is "thirteen million, nine hundred thousand, four hundred sixty-four".