1996472390 has 32 divisors (see below), whose sum is σ = 3928248576. Its totient is φ = 724526560.

The previous prime is 1996472389. The next prime is 1996472431. The reversal of 1996472390 is 932746991.

It is a congruent number.

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, 37289 + ... + 73371.

It is an arithmetic number, because the mean of its divisors is an integer number (122757768).

Almost surely, 2^1996472390 is an apocalyptic number.

1996472390 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1996472390 is a deficient number, since it is larger than the sum of its proper divisors (1931776186).

1996472390 is a wasteful number, since it uses less digits than its factorization.

1996472390 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36604.

The product of its (nonzero) digits is 734832, while the sum is 50.

The square root of 1996472390 is about 44681.9022647873. The cubic root of 1996472390 is about 1259.1798622713.

The spelling of 1996472390 in words is "one billion, nine hundred ninety-six million, four hundred seventy-two thousand, three hundred ninety".