190400748 has 48 divisors (see below), whose sum is σ = 495169920. Its totient is φ = 56588544.

The previous prime is 190400741. The next prime is 190400773. The reversal of 190400748 is 847004091.

190400748 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (190400741) 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, 20686 + ... + 28437.

It is an arithmetic number, because the mean of its divisors is an integer number (10316040).

Almost surely, 2^190400748 is an apocalyptic number.

It is an amenable number.

190400748 is an abundant number, since it is smaller than the sum of its proper divisors (304769172).

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

190400748 is a wasteful number, since it uses less digits than its factorization.

190400748 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49166 (or 49164 counting only the distinct ones).

The product of its (nonzero) digits is 8064, while the sum is 33.

The square root of 190400748 is about 13798.5777527976. The cubic root of 190400748 is about 575.2936098481.

The spelling of 190400748 in words is "one hundred ninety million, four hundred thousand, seven hundred forty-eight".