2839690 has 32 divisors (see below), whose sum is σ = 5909760. Its totient is φ = 962304.

The previous prime is 2839657. The next prime is 2839691. The reversal of 2839690 is 969382.

It is a super-2 number, since 2×2839690² = 16127678592200, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2839691) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7731 + ... + 8089.

It is an arithmetic number, because the mean of its divisors is an integer number (184680).

2^2839690 is an apocalyptic number.

2839690 is an abundant number, since it is smaller than the sum of its proper divisors (3070070).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2839690 is a wasteful number, since it uses less digits than its factorization.

2839690 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 486.

The product of its (nonzero) digits is 23328, while the sum is 37.

The square root of 2839690 is about 1685.1379765467. The cubic root of 2839690 is about 141.6088222131.

The spelling of 2839690 in words is "two million, eight hundred thirty-nine thousand, six hundred ninety".