14540394 has 32 divisors (see below), whose sum is σ = 31956480. Its totient is φ = 4374000.

The previous prime is 14540329. The next prime is 14540399. The reversal of 14540394 is 49304541.

It is a super-2 number, since 2×14540394² = 422846115350472, which contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (14540399) 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 + ... + 10695.

It is an arithmetic number, because the mean of its divisors is an integer number (998640).

Almost surely, 2^14540394 is an apocalyptic number.

14540394 is an abundant number, since it is smaller than the sum of its proper divisors (17416086).

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

14540394 is a wasteful number, since it uses less digits than its factorization.

14540394 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1626.

The product of its (nonzero) digits is 8640, while the sum is 30.

The square root of 14540394 is about 3813.1868561611. The cubic root of 14540394 is about 244.0761766094.

The spelling of 14540394 in words is "fourteen million, five hundred forty thousand, three hundred ninety-four".