619493404 has 12 divisors (see below), whose sum is σ = 1141172200. Its totient is φ = 293444208.

The previous prime is 619493387. The next prime is 619493449. The reversal of 619493404 is 404394916.

It is a hoax number, since the sum of its digits (40) coincides with the sum of the digits of its distinct prime factors.

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, 4075539 + ... + 4075690.

Almost surely, 2^619493404 is an apocalyptic number.

It is an amenable number.

619493404 is a deficient number, since it is larger than the sum of its proper divisors (521678796).

619493404 is a wasteful number, since it uses less digits than its factorization.

619493404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8151252 (or 8151250 counting only the distinct ones).

The product of its (nonzero) digits is 93312, while the sum is 40.

The square root of 619493404 is about 24889.6244246473. The cubic root of 619493404 is about 852.4695902214.

The spelling of 619493404 in words is "six hundred nineteen million, four hundred ninety-three thousand, four hundred four".