1676904946 has 4 divisors (see below), whose sum is σ = 2515357422. Its totient is φ = 838452472.

The previous prime is 1676904893. The next prime is 1676904959. The reversal of 1676904946 is 6494096761.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 6494096761 = 1889 ⋅3437849.

It can be written as a sum of positive squares in only one way, i.e., 1574105625 + 102799321 = 39675^2 + 10139^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1676904893 and 1676904902.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 419226235 + ... + 419226238.

Almost surely, 2^1676904946 is an apocalyptic number.

1676904946 is a deficient number, since it is larger than the sum of its proper divisors (838452476).

1676904946 is an equidigital number, since it uses as much as digits as its factorization.

1676904946 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 838452475.

The product of its (nonzero) digits is 1959552, while the sum is 52.

The square root of 1676904946 is about 40950.0298656790. The cubic root of 1676904946 is about 1188.0539116476.

The spelling of 1676904946 in words is "one billion, six hundred seventy-six million, nine hundred four thousand, nine hundred forty-six".