19740148 has 12 divisors (see below), whose sum is σ = 34592740. Its totient is φ = 9856512.

The previous prime is 19740137. The next prime is 19740157. The reversal of 19740148 is 84104791.

It can be written as a sum of positive squares in 2 ways, for example, as 4153444 + 15586704 = 2038^2 + 3948^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 340 + ... + 6292.

Almost surely, 2^19740148 is an apocalyptic number.

It is an amenable number.

19740148 is a deficient number, since it is larger than the sum of its proper divisors (14852592).

19740148 is a wasteful number, since it uses less digits than its factorization.

19740148 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6786 (or 6784 counting only the distinct ones).

The product of its (nonzero) digits is 8064, while the sum is 34.

The square root of 19740148 is about 4442.9886337914. The cubic root of 19740148 is about 270.2610552393.

The spelling of 19740148 in words is "nineteen million, seven hundred forty thousand, one hundred forty-eight".