380934787 has 4 divisors (see below), whose sum is σ = 381802960. Its totient is φ = 380066616.

The previous prime is 380934737. The next prime is 380934791. The reversal of 380934787 is 787439083.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 787439083 = 173 ⋅4551671.

It is a cyclic number.

It is not a de Polignac number, because 380934787 - 2²⁷ = 246717059 is a prime.

It is a super-2 number, since 2×380934787² = 290222623893470738, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 380934787.

It is not an unprimeable number, because it can be changed into a prime (380934707) 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, 433428 + ... + 434305.

It is an arithmetic number, because the mean of its divisors is an integer number (95450740).

Almost surely, 2^380934787 is an apocalyptic number.

380934787 is a deficient number, since it is larger than the sum of its proper divisors (868173).

380934787 is an equidigital number, since it uses as much as digits as its factorization.

380934787 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 868172.

The product of its (nonzero) digits is 1016064, while the sum is 49.

The square root of 380934787 is about 19517.5507428571. The cubic root of 380934787 is about 724.9090885610.

The spelling of 380934787 in words is "three hundred eighty million, nine hundred thirty-four thousand, seven hundred eighty-seven".