290639030 has 16 divisors (see below), whose sum is σ = 570709584. Its totient is φ = 105686880.

The previous prime is 290638973. The next prime is 290639059. The reversal of 290639030 is 30936092.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1320977 + ... + 1321196.

It is an arithmetic number, because the mean of its divisors is an integer number (35669349).

Almost surely, 2^290639030 is an apocalyptic number.

290639030 is a deficient number, since it is larger than the sum of its proper divisors (280070554).

290639030 is a wasteful number, since it uses less digits than its factorization.

290639030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2642191.

The product of its (nonzero) digits is 8748, while the sum is 32.

The square root of 290639030 is about 17048.1386080710. The cubic root of 290639030 is about 662.3964228722.

The spelling of 290639030 in words is "two hundred ninety million, six hundred thirty-nine thousand, thirty".