4780690 has 8 divisors (see below), whose sum is σ = 8605260. Its totient is φ = 1912272.

The previous prime is 4780687. The next prime is 4780693. The reversal of 4780690 is 960874.

It is an interprime number because it is at equal distance from previous prime (4780687) and next prime (4780693).

It can be written as a sum of positive squares in 2 ways, for example, as 4173849 + 606841 = 2043^2 + 779^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×4780690² = 45709993752200, which contains 22 as substring.

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (4780693) 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, 239025 + ... + 239044.

Almost surely, 2^4780690 is an apocalyptic number.

4780690 is a deficient number, since it is larger than the sum of its proper divisors (3824570).

4780690 is a wasteful number, since it uses less digits than its factorization.

4780690 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 478076.

The product of its (nonzero) digits is 12096, while the sum is 34.

The square root of 4780690 is about 2186.4789045404. The cubic root of 4780690 is about 168.4600250923.

The spelling of 4780690 in words is "four million, seven hundred eighty thousand, six hundred ninety".