938740906 has 16 divisors (see below), whose sum is σ = 1470600000. Its totient is φ = 448576128.

The previous prime is 938740897. The next prime is 938740927. The reversal of 938740906 is 609047839.

It is a Harshad number since it is a multiple of its sum of digits (46).

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, 49285 + ... + 65623.

It is an arithmetic number, because the mean of its divisors is an integer number (91912500).

Almost surely, 2^938740906 is an apocalyptic number.

938740906 is a deficient number, since it is larger than the sum of its proper divisors (531859094).

938740906 is a wasteful number, since it uses less digits than its factorization.

938740906 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17613.

The product of its (nonzero) digits is 326592, while the sum is 46.

The square root of 938740906 is about 30638.8789938535. The cubic root of 938740906 is about 979.1485405966.

The spelling of 938740906 in words is "nine hundred thirty-eight million, seven hundred forty thousand, nine hundred six".