1046690687 has 4 divisors (see below), whose sum is σ = 1196217936. Its totient is φ = 897163440.

The previous prime is 1046690633. The next prime is 1046690713. The reversal of 1046690687 is 7860966401.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 7860966401 = 18047 ⋅435583.

It is a cyclic number.

It is not a de Polignac number, because 1046690687 - 2¹⁴ = 1046674303 is a prime.

It is a super-2 number, since 2×1046690687² = 2191122788505063938, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1046696687) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 74763614 + ... + 74763627.

It is an arithmetic number, because the mean of its divisors is an integer number (299054484).

Almost surely, 2^1046690687 is an apocalyptic number.

1046690687 is a deficient number, since it is larger than the sum of its proper divisors (149527249).

1046690687 is an equidigital number, since it uses as much as digits as its factorization.

1046690687 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 149527248.

The product of its (nonzero) digits is 435456, while the sum is 47.

The square root of 1046690687 is about 32352.5993855208. The cubic root of 1046690687 is about 1015.3274318735.

The spelling of 1046690687 in words is "one billion, forty-six million, six hundred ninety thousand, six hundred eighty-seven".