19077994 has 32 divisors (see below), whose sum is σ = 32747904. Its totient is φ = 8268480.

The previous prime is 19077979. The next prime is 19078013. The reversal of 19077994 is 49977091.

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 15 ways as a sum of consecutive naturals, for example, 36217 + ... + 36739.

It is an arithmetic number, because the mean of its divisors is an integer number (1023372).

Almost surely, 2^19077994 is an apocalyptic number.

19077994 is a deficient number, since it is larger than the sum of its proper divisors (13669910).

19077994 is a wasteful number, since it uses less digits than its factorization.

19077994 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 622.

The product of its (nonzero) digits is 142884, while the sum is 46.

The square root of 19077994 is about 4367.8363064566. The cubic root of 19077994 is about 267.2047880176.

The spelling of 19077994 in words is "nineteen million, seventy-seven thousand, nine hundred ninety-four".